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Finding the Fourth Proportional to 406,240.92, 560,605.32 and 224,948.88

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Solution

The fourth proportional to 406,240.92, 560,605.32 and 224,948.88 is: 310,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,240.92 : 560,605.32 = 224,948.88 : x
  2. Step 2: Convert to fraction form
    406,240.92/560,605.32 = 224,948.88/x
  3. Step 3: Cross multiply
    406,240.92x = 560,605.32 × 224,948.88
  4. Step 4: Simplify right side
    406,240.92x = 126,107,538,856.04
  5. Step 5: Solve for x
    x = 126,107,538,856.04/406,240.92
  6. Step 6: Final answer
    x = 310,425.50

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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.