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Finding the Fourth Proportional to 396,034.68, 546,350.76 and 234,896.52

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Solution

The fourth proportional to 396,034.68, 546,350.76 and 234,896.52 is: 324,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,034.68 : 546,350.76 = 234,896.52 : x
  2. Step 2: Convert to fraction form
    396,034.68/546,350.76 = 234,896.52/x
  3. Step 3: Cross multiply
    396,034.68x = 546,350.76 × 234,896.52
  4. Step 4: Simplify right side
    396,034.68x = 128,335,892,223.36
  5. Step 5: Solve for x
    x = 128,335,892,223.36/396,034.68
  6. Step 6: Final answer
    x = 324,052.16

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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.