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Finding the Fourth Proportional to 396,244.42, 546,673.80 and 260,351.56

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Solution

The fourth proportional to 396,244.42, 546,673.80 and 260,351.56 is: 359,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,244.42 : 546,673.80 = 260,351.56 : x
  2. Step 2: Convert to fraction form
    396,244.42/546,673.80 = 260,351.56/x
  3. Step 3: Cross multiply
    396,244.42x = 546,673.80 × 260,351.56
  4. Step 4: Simplify right side
    396,244.42x = 142,327,376,641.13
  5. Step 5: Solve for x
    x = 142,327,376,641.13/396,244.42
  6. Step 6: Final answer
    x = 359,190.87

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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.