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Finding the Fourth Proportional to 541,862.64, 747,737.55 and 300,131.10

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Solution

The fourth proportional to 541,862.64, 747,737.55 and 300,131.10 is: 414,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,862.64 : 747,737.55 = 300,131.10 : x
  2. Step 2: Convert to fraction form
    541,862.64/747,737.55 = 300,131.10/x
  3. Step 3: Cross multiply
    541,862.64x = 747,737.55 × 300,131.10
  4. Step 4: Simplify right side
    541,862.64x = 224,419,293,392.81
  5. Step 5: Solve for x
    x = 224,419,293,392.81/541,862.64
  6. Step 6: Final answer
    x = 414,162.70

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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.