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Finding the Fourth Proportional to 396,959.46, 547,801.68 and 233,710.86

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Solution

The fourth proportional to 396,959.46, 547,801.68 and 233,710.86 is: 322,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,959.46 : 547,801.68 = 233,710.86 : x
  2. Step 2: Convert to fraction form
    396,959.46/547,801.68 = 233,710.86/x
  3. Step 3: Cross multiply
    396,959.46x = 547,801.68 × 233,710.86
  4. Step 4: Simplify right side
    396,959.46x = 128,027,201,742.25
  5. Step 5: Solve for x
    x = 128,027,201,742.25/396,959.46
  6. Step 6: Final answer
    x = 322,519.59

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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.