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Finding the Fourth Proportional to 457,452.31, 631,267.02 and 253,497.97

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Solution

The fourth proportional to 457,452.31, 631,267.02 and 253,497.97 is: 349,817.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,452.31 : 631,267.02 = 253,497.97 : x
  2. Step 2: Convert to fraction form
    457,452.31/631,267.02 = 253,497.97/x
  3. Step 3: Cross multiply
    457,452.31x = 631,267.02 × 253,497.97
  4. Step 4: Simplify right side
    457,452.31x = 160,024,908,097.95
  5. Step 5: Solve for x
    x = 160,024,908,097.95/457,452.31
  6. Step 6: Final answer
    x = 349,817.69

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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.