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Finding the Fourth Proportional to 541,652.33, 747,479.75 and 299,934.90

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Solution

The fourth proportional to 541,652.33, 747,479.75 and 299,934.90 is: 413,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,652.33 : 747,479.75 = 299,934.90 : x
  2. Step 2: Convert to fraction form
    541,652.33/747,479.75 = 299,934.90/x
  3. Step 3: Cross multiply
    541,652.33x = 747,479.75 × 299,934.90
  4. Step 4: Simplify right side
    541,652.33x = 224,195,262,568.60
  5. Step 5: Solve for x
    x = 224,195,262,568.60/541,652.33
  6. Step 6: Final answer
    x = 413,909.91

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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.