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Finding the Fourth Proportional to 547,752.20, 822,304.92 and 259,839.14

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Solution

The fourth proportional to 547,752.20, 822,304.92 and 259,839.14 is: 390,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,752.20 : 822,304.92 = 259,839.14 : x
  2. Step 2: Convert to fraction form
    547,752.20/822,304.92 = 259,839.14/x
  3. Step 3: Cross multiply
    547,752.20x = 822,304.92 × 259,839.14
  4. Step 4: Simplify right side
    547,752.20x = 213,667,003,230.57
  5. Step 5: Solve for x
    x = 213,667,003,230.57/547,752.20
  6. Step 6: Final answer
    x = 390,079.68

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1.5x scale

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.