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Finding the Fourth Proportional to 458,680.80, 632,868.72 and 267,585.12

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Solution

The fourth proportional to 458,680.80, 632,868.72 and 267,585.12 is: 369,202.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,680.80 : 632,868.72 = 267,585.12 : x
  2. Step 2: Convert to fraction form
    458,680.80/632,868.72 = 267,585.12/x
  3. Step 3: Cross multiply
    458,680.80x = 632,868.72 × 267,585.12
  4. Step 4: Simplify right side
    458,680.80x = 169,346,252,385.45
  5. Step 5: Solve for x
    x = 169,346,252,385.45/458,680.80
  6. Step 6: Final answer
    x = 369,202.84

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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.