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Finding the Fourth Proportional to 356,793.59, 534,140.63 and 238,170.71

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Solution

The fourth proportional to 356,793.59, 534,140.63 and 238,170.71 is: 356,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,793.59 : 534,140.63 = 238,170.71 : x
  2. Step 2: Convert to fraction form
    356,793.59/534,140.63 = 238,170.71/x
  3. Step 3: Cross multiply
    356,793.59x = 534,140.63 × 238,170.71
  4. Step 4: Simplify right side
    356,793.59x = 127,216,654,124.59
  5. Step 5: Solve for x
    x = 127,216,654,124.59/356,793.59
  6. Step 6: Final answer
    x = 356,555.32

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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.