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Finding the Fourth Proportional to 632,710.44, 949,066.20 and 159,391.80

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Solution

The fourth proportional to 632,710.44, 949,066.20 and 159,391.80 is: 239,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,710.44 : 949,066.20 = 159,391.80 : x
  2. Step 2: Convert to fraction form
    632,710.44/949,066.20 = 159,391.80/x
  3. Step 3: Cross multiply
    632,710.44x = 949,066.20 × 159,391.80
  4. Step 4: Simplify right side
    632,710.44x = 151,273,369,937.16
  5. Step 5: Solve for x
    x = 151,273,369,937.16/632,710.44
  6. Step 6: Final answer
    x = 239,087.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.