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Finding the Fourth Proportional to 458,891.52, 633,273.30 and 254,940

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Solution

The fourth proportional to 458,891.52, 633,273.30 and 254,940 is: 351,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,891.52 : 633,273.30 = 254,940 : x
  2. Step 2: Convert to fraction form
    458,891.52/633,273.30 = 254,940/x
  3. Step 3: Cross multiply
    458,891.52x = 633,273.30 × 254,940
  4. Step 4: Simplify right side
    458,891.52x = 161,446,695,102
  5. Step 5: Solve for x
    x = 161,446,695,102/458,891.52
  6. Step 6: Final answer
    x = 351,818.87

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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.