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Finding the Fourth Proportional to 458,288.67, 632,476.11 and 254,335.89

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Solution

The fourth proportional to 458,288.67, 632,476.11 and 254,335.89 is: 351,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,288.67 : 632,476.11 = 254,335.89 : x
  2. Step 2: Convert to fraction form
    458,288.67/632,476.11 = 254,335.89/x
  3. Step 3: Cross multiply
    458,288.67x = 632,476.11 × 254,335.89
  4. Step 4: Simplify right side
    458,288.67x = 160,861,374,340.59
  5. Step 5: Solve for x
    x = 160,861,374,340.59/458,288.67
  6. Step 6: Final answer
    x = 351,004.48

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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.