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Finding the Fourth Proportional to 541,575.20, 747,401.40 and 299,884.52

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Solution

The fourth proportional to 541,575.20, 747,401.40 and 299,884.52 is: 413,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,575.20 : 747,401.40 = 299,884.52 : x
  2. Step 2: Convert to fraction form
    541,575.20/747,401.40 = 299,884.52/x
  3. Step 3: Cross multiply
    541,575.20x = 747,401.40 × 299,884.52
  4. Step 4: Simplify right side
    541,575.20x = 224,134,110,086.33
  5. Step 5: Solve for x
    x = 224,134,110,086.33/541,575.20
  6. Step 6: Final answer
    x = 413,855.93

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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.