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Finding the Fourth Proportional to 538,552.40, 807,580.24 and 159,337.52

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Solution

The fourth proportional to 538,552.40, 807,580.24 and 159,337.52 is: 238,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,552.40 : 807,580.24 = 159,337.52 : x
  2. Step 2: Convert to fraction form
    538,552.40/807,580.24 = 159,337.52/x
  3. Step 3: Cross multiply
    538,552.40x = 807,580.24 × 159,337.52
  4. Step 4: Simplify right side
    538,552.40x = 128,677,832,642.61
  5. Step 5: Solve for x
    x = 128,677,832,642.61/538,552.40
  6. Step 6: Final answer
    x = 238,932.80

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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.