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Finding the Fourth Proportional to 406,453.55, 560,909.91 and 225,167.95

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Solution

The fourth proportional to 406,453.55, 560,909.91 and 225,167.95 is: 310,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,453.55 : 560,909.91 = 225,167.95 : x
  2. Step 2: Convert to fraction form
    406,453.55/560,909.91 = 225,167.95/x
  3. Step 3: Cross multiply
    406,453.55x = 560,909.91 × 225,167.95
  4. Step 4: Simplify right side
    406,453.55x = 126,298,936,114.90
  5. Step 5: Solve for x
    x = 126,298,936,114.90/406,453.55
  6. Step 6: Final answer
    x = 310,734.00

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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.