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Finding the Fourth Proportional to 457,924.26, 631,904 and 253,956.04

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Solution

The fourth proportional to 457,924.26, 631,904 and 253,956.04 is: 350,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,924.26 : 631,904 = 253,956.04 : x
  2. Step 2: Convert to fraction form
    457,924.26/631,904 = 253,956.04/x
  3. Step 3: Cross multiply
    457,924.26x = 631,904 × 253,956.04
  4. Step 4: Simplify right side
    457,924.26x = 160,475,837,500.16
  5. Step 5: Solve for x
    x = 160,475,837,500.16/457,924.26
  6. Step 6: Final answer
    x = 350,441.88

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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.