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Finding the Fourth Proportional to 356,777.47, 534,116.44 and 238,154.59

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Solution

The fourth proportional to 356,777.47, 534,116.44 and 238,154.59 is: 356,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,777.47 : 534,116.44 = 238,154.59 : x
  2. Step 2: Convert to fraction form
    356,777.47/534,116.44 = 238,154.59/x
  3. Step 3: Cross multiply
    356,777.47x = 534,116.44 × 238,154.59
  4. Step 4: Simplify right side
    356,777.47x = 127,202,279,849.78
  5. Step 5: Solve for x
    x = 127,202,279,849.78/356,777.47
  6. Step 6: Final answer
    x = 356,531.15

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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.