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Finding the Fourth Proportional to 541,311.20, 747,011.05 and 299,610.56

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Solution

The fourth proportional to 541,311.20, 747,011.05 and 299,610.56 is: 413,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,311.20 : 747,011.05 = 299,610.56 : x
  2. Step 2: Convert to fraction form
    541,311.20/747,011.05 = 299,610.56/x
  3. Step 3: Cross multiply
    541,311.20x = 747,011.05 × 299,610.56
  4. Step 4: Simplify right side
    541,311.20x = 223,812,399,016.69
  5. Step 5: Solve for x
    x = 223,812,399,016.69/541,311.20
  6. Step 6: Final answer
    x = 413,463.46

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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.