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Finding the Fourth Proportional to 406,422.27, 560,867.22 and 225,136.98

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Solution

The fourth proportional to 406,422.27, 560,867.22 and 225,136.98 is: 310,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,422.27 : 560,867.22 = 225,136.98 : x
  2. Step 2: Convert to fraction form
    406,422.27/560,867.22 = 225,136.98/x
  3. Step 3: Cross multiply
    406,422.27x = 560,867.22 × 225,136.98
  4. Step 4: Simplify right side
    406,422.27x = 126,271,952,091.80
  5. Step 5: Solve for x
    x = 126,271,952,091.80/406,422.27
  6. Step 6: Final answer
    x = 310,691.52

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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.