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Finding the Fourth Proportional to 457,449.75, 631,304.91 and 253,522.92

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Solution

The fourth proportional to 457,449.75, 631,304.91 and 253,522.92 is: 349,875.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,449.75 : 631,304.91 = 253,522.92 : x
  2. Step 2: Convert to fraction form
    457,449.75/631,304.91 = 253,522.92/x
  3. Step 3: Cross multiply
    457,449.75x = 631,304.91 × 253,522.92
  4. Step 4: Simplify right side
    457,449.75x = 160,050,264,193.54
  5. Step 5: Solve for x
    x = 160,050,264,193.54/457,449.75
  6. Step 6: Final answer
    x = 349,875.07

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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.