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Finding the Fourth Proportional to 376,192.68, 519,143.76 and 206,432.88

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Solution

The fourth proportional to 376,192.68, 519,143.76 and 206,432.88 is: 284,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,192.68 : 519,143.76 = 206,432.88 : x
  2. Step 2: Convert to fraction form
    376,192.68/519,143.76 = 206,432.88/x
  3. Step 3: Cross multiply
    376,192.68x = 519,143.76 × 206,432.88
  4. Step 4: Simplify right side
    376,192.68x = 107,168,341,510.83
  5. Step 5: Solve for x
    x = 107,168,341,510.83/376,192.68
  6. Step 6: Final answer
    x = 284,876.20

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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.