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Finding the Fourth Proportional to 732,465.10, 1,098,697.65 and 519,888.70

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Solution

The fourth proportional to 732,465.10, 1,098,697.65 and 519,888.70 is: 779,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,465.10 : 1,098,697.65 = 519,888.70 : x
  2. Step 2: Convert to fraction form
    732,465.10/1,098,697.65 = 519,888.70/x
  3. Step 3: Cross multiply
    732,465.10x = 1,098,697.65 × 519,888.70
  4. Step 4: Simplify right side
    732,465.10x = 571,200,492,951.56
  5. Step 5: Solve for x
    x = 571,200,492,951.56/732,465.10
  6. Step 6: Final answer
    x = 779,833.05

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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.