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Finding the Fourth Proportional to 396,482.47, 546,896.87 and 235,223.35

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Solution

The fourth proportional to 396,482.47, 546,896.87 and 235,223.35 is: 324,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,482.47 : 546,896.87 = 235,223.35 : x
  2. Step 2: Convert to fraction form
    396,482.47/546,896.87 = 235,223.35/x
  3. Step 3: Cross multiply
    396,482.47x = 546,896.87 × 235,223.35
  4. Step 4: Simplify right side
    396,482.47x = 128,642,912,689.80
  5. Step 5: Solve for x
    x = 128,642,912,689.80/396,482.47
  6. Step 6: Final answer
    x = 324,460.53

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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.