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Finding the Fourth Proportional to 541,562.70, 747,384.15 and 299,871.96

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Solution

The fourth proportional to 541,562.70, 747,384.15 and 299,871.96 is: 413,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,562.70 : 747,384.15 = 299,871.96 : x
  2. Step 2: Convert to fraction form
    541,562.70/747,384.15 = 299,871.96/x
  3. Step 3: Cross multiply
    541,562.70x = 747,384.15 × 299,871.96
  4. Step 4: Simplify right side
    541,562.70x = 224,119,549,933.43
  5. Step 5: Solve for x
    x = 224,119,549,933.43/541,562.70
  6. Step 6: Final answer
    x = 413,838.60

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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.