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Finding the Fourth Proportional to 402,691.19, 555,680.77 and 237,092.84

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Solution

The fourth proportional to 402,691.19, 555,680.77 and 237,092.84 is: 327,168.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,691.19 : 555,680.77 = 237,092.84 : x
  2. Step 2: Convert to fraction form
    402,691.19/555,680.77 = 237,092.84/x
  3. Step 3: Cross multiply
    402,691.19x = 555,680.77 × 237,092.84
  4. Step 4: Simplify right side
    402,691.19x = 131,747,928,521.55
  5. Step 5: Solve for x
    x = 131,747,928,521.55/402,691.19
  6. Step 6: Final answer
    x = 327,168.64

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1.5x scale

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.