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Finding the Fourth Proportional to 362,793.12, 541,446.17 and 353,345.28

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Solution

The fourth proportional to 362,793.12, 541,446.17 and 353,345.28 is: 527,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,793.12 : 541,446.17 = 353,345.28 : x
  2. Step 2: Convert to fraction form
    362,793.12/541,446.17 = 353,345.28/x
  3. Step 3: Cross multiply
    362,793.12x = 541,446.17 × 353,345.28
  4. Step 4: Simplify right side
    362,793.12x = 191,317,448,543.58
  5. Step 5: Solve for x
    x = 191,317,448,543.58/362,793.12
  6. Step 6: Final answer
    x = 527,345.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.