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Finding the Fourth Proportional to 406,426.73, 560,861.84 and 225,134.84

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Solution

The fourth proportional to 406,426.73, 560,861.84 and 225,134.84 is: 310,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,426.73 : 560,861.84 = 225,134.84 : x
  2. Step 2: Convert to fraction form
    406,426.73/560,861.84 = 225,134.84/x
  3. Step 3: Cross multiply
    406,426.73x = 560,861.84 × 225,134.84
  4. Step 4: Simplify right side
    406,426.73x = 126,269,542,575.50
  5. Step 5: Solve for x
    x = 126,269,542,575.50/406,426.73
  6. Step 6: Final answer
    x = 310,682.18

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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.