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Finding the Fourth Proportional to 541,439.64, 747,177.66 and 299,717.10

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Solution

The fourth proportional to 541,439.64, 747,177.66 and 299,717.10 is: 413,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,439.64 : 747,177.66 = 299,717.10 : x
  2. Step 2: Convert to fraction form
    541,439.64/747,177.66 = 299,717.10/x
  3. Step 3: Cross multiply
    541,439.64x = 747,177.66 × 299,717.10
  4. Step 4: Simplify right side
    541,439.64x = 223,941,921,439.99
  5. Step 5: Solve for x
    x = 223,941,921,439.99/541,439.64
  6. Step 6: Final answer
    x = 413,604.59

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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.