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Finding the Fourth Proportional to 508,330.17, 762,500.72 and 153,347.27

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Solution

The fourth proportional to 508,330.17, 762,500.72 and 153,347.27 is: 230,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,330.17 : 762,500.72 = 153,347.27 : x
  2. Step 2: Convert to fraction form
    508,330.17/762,500.72 = 153,347.27/x
  3. Step 3: Cross multiply
    508,330.17x = 762,500.72 × 153,347.27
  4. Step 4: Simplify right side
    508,330.17x = 116,927,400,355.90
  5. Step 5: Solve for x
    x = 116,927,400,355.90/508,330.17
  6. Step 6: Final answer
    x = 230,022.55

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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.