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Finding the Fourth Proportional to 606,731.40, 910,097.10 and 163,499.40

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Solution

The fourth proportional to 606,731.40, 910,097.10 and 163,499.40 is: 245,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,731.40 : 910,097.10 = 163,499.40 : x
  2. Step 2: Convert to fraction form
    606,731.40/910,097.10 = 163,499.40/x
  3. Step 3: Cross multiply
    606,731.40x = 910,097.10 × 163,499.40
  4. Step 4: Simplify right side
    606,731.40x = 148,800,329,791.74
  5. Step 5: Solve for x
    x = 148,800,329,791.74/606,731.40
  6. Step 6: Final answer
    x = 245,249.10

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Half scale
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Double scale
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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.