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Finding the Fourth Proportional to 541,632.15, 747,443.24 and 299,909.54

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Solution

The fourth proportional to 541,632.15, 747,443.24 and 299,909.54 is: 413,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,632.15 : 747,443.24 = 299,909.54 : x
  2. Step 2: Convert to fraction form
    541,632.15/747,443.24 = 299,909.54/x
  3. Step 3: Cross multiply
    541,632.15x = 747,443.24 × 299,909.54
  4. Step 4: Simplify right side
    541,632.15x = 224,165,357,260.85
  5. Step 5: Solve for x
    x = 224,165,357,260.85/541,632.15
  6. Step 6: Final answer
    x = 413,870.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.