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Finding the Fourth Proportional to 591,067.40, 886,601.10 and 404,443.40

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Solution

The fourth proportional to 591,067.40, 886,601.10 and 404,443.40 is: 606,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,067.40 : 886,601.10 = 404,443.40 : x
  2. Step 2: Convert to fraction form
    591,067.40/886,601.10 = 404,443.40/x
  3. Step 3: Cross multiply
    591,067.40x = 886,601.10 × 404,443.40
  4. Step 4: Simplify right side
    591,067.40x = 358,579,963,327.74
  5. Step 5: Solve for x
    x = 358,579,963,327.74/591,067.40
  6. Step 6: Final answer
    x = 606,665.10

Related Problems

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Half scale
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Double scale
Find fourth proportional to 591,068.40, 886,602.60 and 404,444.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.