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Finding the Fourth Proportional to 406,169.56, 560,522.55 and 222,415.85

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Solution

The fourth proportional to 406,169.56, 560,522.55 and 222,415.85 is: 306,938.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,169.56 : 560,522.55 = 222,415.85 : x
  2. Step 2: Convert to fraction form
    406,169.56/560,522.55 = 222,415.85/x
  3. Step 3: Cross multiply
    406,169.56x = 560,522.55 × 222,415.85
  4. Step 4: Simplify right side
    406,169.56x = 124,669,099,402.42
  5. Step 5: Solve for x
    x = 124,669,099,402.42/406,169.56
  6. Step 6: Final answer
    x = 306,938.56

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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.