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Finding the Fourth Proportional to 541,686.19, 747,517.71 and 299,963.56

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Solution

The fourth proportional to 541,686.19, 747,517.71 and 299,963.56 is: 413,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,686.19 : 747,517.71 = 299,963.56 : x
  2. Step 2: Convert to fraction form
    541,686.19/747,517.71 = 299,963.56/x
  3. Step 3: Cross multiply
    541,686.19x = 747,517.71 × 299,963.56
  4. Step 4: Simplify right side
    541,686.19x = 224,228,073,454.65
  5. Step 5: Solve for x
    x = 224,228,073,454.65/541,686.19
  6. Step 6: Final answer
    x = 413,944.60

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Double scale
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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.