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Finding the Fourth Proportional to 396,568.74, 546,850.80 and 235,392.78

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Solution

The fourth proportional to 396,568.74, 546,850.80 and 235,392.78 is: 324,596.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,568.74 : 546,850.80 = 235,392.78 : x
  2. Step 2: Convert to fraction form
    396,568.74/546,850.80 = 235,392.78/x
  3. Step 3: Cross multiply
    396,568.74x = 546,850.80 × 235,392.78
  4. Step 4: Simplify right side
    396,568.74x = 128,724,730,057.22
  5. Step 5: Solve for x
    x = 128,724,730,057.22/396,568.74
  6. Step 6: Final answer
    x = 324,596.26

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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.