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Finding the Fourth Proportional to 457,695.54, 631,657.08 and 253,810.38

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Solution

The fourth proportional to 457,695.54, 631,657.08 and 253,810.38 is: 350,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,695.54 : 631,657.08 = 253,810.38 : x
  2. Step 2: Convert to fraction form
    457,695.54/631,657.08 = 253,810.38/x
  3. Step 3: Cross multiply
    457,695.54x = 631,657.08 × 253,810.38
  4. Step 4: Simplify right side
    457,695.54x = 160,321,123,504.49
  5. Step 5: Solve for x
    x = 160,321,123,504.49/457,695.54
  6. Step 6: Final answer
    x = 350,278.97

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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.