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Finding the Fourth Proportional to 472,680.32, 652,306.92 and 268,726.64

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Solution

The fourth proportional to 472,680.32, 652,306.92 and 268,726.64 is: 370,847.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,680.32 : 652,306.92 = 268,726.64 : x
  2. Step 2: Convert to fraction form
    472,680.32/652,306.92 = 268,726.64/x
  3. Step 3: Cross multiply
    472,680.32x = 652,306.92 × 268,726.64
  4. Step 4: Simplify right side
    472,680.32x = 175,292,246,860.35
  5. Step 5: Solve for x
    x = 175,292,246,860.35/472,680.32
  6. Step 6: Final answer
    x = 370,847.36

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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.