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Finding the Fourth Proportional to 541,890.97, 747,800.17 and 300,168.47

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Solution

The fourth proportional to 541,890.97, 747,800.17 and 300,168.47 is: 414,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,890.97 : 747,800.17 = 300,168.47 : x
  2. Step 2: Convert to fraction form
    541,890.97/747,800.17 = 300,168.47/x
  3. Step 3: Cross multiply
    541,890.97x = 747,800.17 × 300,168.47
  4. Step 4: Simplify right side
    541,890.97x = 224,466,031,393.80
  5. Step 5: Solve for x
    x = 224,466,031,393.80/541,890.97
  6. Step 6: Final answer
    x = 414,227.30

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1.5x scale

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.