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Finding the Fourth Proportional to 526,611.97, 726,723.52 and 284,894.74

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Solution

The fourth proportional to 526,611.97, 726,723.52 and 284,894.74 is: 393,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,611.97 : 726,723.52 = 284,894.74 : x
  2. Step 2: Convert to fraction form
    526,611.97/726,723.52 = 284,894.74/x
  3. Step 3: Cross multiply
    526,611.97x = 726,723.52 × 284,894.74
  4. Step 4: Simplify right side
    526,611.97x = 207,039,708,282.29
  5. Step 5: Solve for x
    x = 207,039,708,282.29/526,611.97
  6. Step 6: Final answer
    x = 393,154.20

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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.