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Finding the Fourth Proportional to 493,965.97, 681,673.74 and 267,611.47

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Solution

The fourth proportional to 493,965.97, 681,673.74 and 267,611.47 is: 369,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,965.97 : 681,673.74 = 267,611.47 : x
  2. Step 2: Convert to fraction form
    493,965.97/681,673.74 = 267,611.47/x
  3. Step 3: Cross multiply
    493,965.97x = 681,673.74 × 267,611.47
  4. Step 4: Simplify right side
    493,965.97x = 182,423,711,621.80
  5. Step 5: Solve for x
    x = 182,423,711,621.80/493,965.97
  6. Step 6: Final answer
    x = 369,304.21

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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.