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Finding the Fourth Proportional to 457,367.04, 631,152 and 253,428.48

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Solution

The fourth proportional to 457,367.04, 631,152 and 253,428.48 is: 349,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,367.04 : 631,152 = 253,428.48 : x
  2. Step 2: Convert to fraction form
    457,367.04/631,152 = 253,428.48/x
  3. Step 3: Cross multiply
    457,367.04x = 631,152 × 253,428.48
  4. Step 4: Simplify right side
    457,367.04x = 159,951,892,008.96
  5. Step 5: Solve for x
    x = 159,951,892,008.96/457,367.04
  6. Step 6: Final answer
    x = 349,723.26

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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.