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Finding the Fourth Proportional to 632,915.04, 873,446.80 and 361,027.20

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Solution

The fourth proportional to 632,915.04, 873,446.80 and 361,027.20 is: 498,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,915.04 : 873,446.80 = 361,027.20 : x
  2. Step 2: Convert to fraction form
    632,915.04/873,446.80 = 361,027.20/x
  3. Step 3: Cross multiply
    632,915.04x = 873,446.80 × 361,027.20
  4. Step 4: Simplify right side
    632,915.04x = 315,338,052,552.96
  5. Step 5: Solve for x
    x = 315,338,052,552.96/632,915.04
  6. Step 6: Final answer
    x = 498,231.25

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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.