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Finding the Fourth Proportional to 531,572.10, 797,358.15 and 266,151.30

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Solution

The fourth proportional to 531,572.10, 797,358.15 and 266,151.30 is: 399,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,572.10 : 797,358.15 = 266,151.30 : x
  2. Step 2: Convert to fraction form
    531,572.10/797,358.15 = 266,151.30/x
  3. Step 3: Cross multiply
    531,572.10x = 797,358.15 × 266,151.30
  4. Step 4: Simplify right side
    531,572.10x = 212,217,908,188.10
  5. Step 5: Solve for x
    x = 212,217,908,188.10/531,572.10
  6. Step 6: Final answer
    x = 399,226.95

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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.