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Finding the Fourth Proportional to 586,614.84, 809,110.24 and 538,372.20

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Solution

The fourth proportional to 586,614.84, 809,110.24 and 538,372.20 is: 742,569.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,614.84 : 809,110.24 = 538,372.20 : x
  2. Step 2: Convert to fraction form
    586,614.84/809,110.24 = 538,372.20/x
  3. Step 3: Cross multiply
    586,614.84x = 809,110.24 × 538,372.20
  4. Step 4: Simplify right side
    586,614.84x = 435,602,459,951.33
  5. Step 5: Solve for x
    x = 435,602,459,951.33/586,614.84
  6. Step 6: Final answer
    x = 742,569.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.