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Finding the Fourth Proportional to 508,339.92, 762,515.37 and 153,357.03

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Solution

The fourth proportional to 508,339.92, 762,515.37 and 153,357.03 is: 230,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,339.92 : 762,515.37 = 153,357.03 : x
  2. Step 2: Convert to fraction form
    508,339.92/762,515.37 = 153,357.03/x
  3. Step 3: Cross multiply
    508,339.92x = 762,515.37 × 153,357.03
  4. Step 4: Simplify right side
    508,339.92x = 116,937,092,472.55
  5. Step 5: Solve for x
    x = 116,937,092,472.55/508,339.92
  6. Step 6: Final answer
    x = 230,037.20

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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.