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Finding the Fourth Proportional to 530,116.60, 795,174.90 and 404,145.40

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Solution

The fourth proportional to 530,116.60, 795,174.90 and 404,145.40 is: 606,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,116.60 : 795,174.90 = 404,145.40 : x
  2. Step 2: Convert to fraction form
    530,116.60/795,174.90 = 404,145.40/x
  3. Step 3: Cross multiply
    530,116.60x = 795,174.90 × 404,145.40
  4. Step 4: Simplify right side
    530,116.60x = 321,366,278,030.46
  5. Step 5: Solve for x
    x = 321,366,278,030.46/530,116.60
  6. Step 6: Final answer
    x = 606,218.10

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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.