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Finding the Fourth Proportional to 458,648.19, 632,888.07 and 267,772.29

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Solution

The fourth proportional to 458,648.19, 632,888.07 and 267,772.29 is: 369,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,648.19 : 632,888.07 = 267,772.29 : x
  2. Step 2: Convert to fraction form
    458,648.19/632,888.07 = 267,772.29/x
  3. Step 3: Cross multiply
    458,648.19x = 632,888.07 × 267,772.29
  4. Step 4: Simplify right side
    458,648.19x = 169,469,890,019.76
  5. Step 5: Solve for x
    x = 169,469,890,019.76/458,648.19
  6. Step 6: Final answer
    x = 369,498.66

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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.