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Finding the Fourth Proportional to 356,801.85, 534,152.99 and 238,178.97

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Solution

The fourth proportional to 356,801.85, 534,152.99 and 238,178.97 is: 356,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,801.85 : 534,152.99 = 238,178.97 : x
  2. Step 2: Convert to fraction form
    356,801.85/534,152.99 = 238,178.97/x
  3. Step 3: Cross multiply
    356,801.85x = 534,152.99 × 238,178.97
  4. Step 4: Simplify right side
    356,801.85x = 127,224,007,789.73
  5. Step 5: Solve for x
    x = 127,224,007,789.73/356,801.85
  6. Step 6: Final answer
    x = 356,567.68

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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.