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Finding the Fourth Proportional to 253,520.39, 380,331.34 and 93,597.30

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Solution

The fourth proportional to 253,520.39, 380,331.34 and 93,597.30 is: 140,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,520.39 : 380,331.34 = 93,597.30 : x
  2. Step 2: Convert to fraction form
    253,520.39/380,331.34 = 93,597.30/x
  3. Step 3: Cross multiply
    253,520.39x = 380,331.34 × 93,597.30
  4. Step 4: Simplify right side
    253,520.39x = 35,597,986,178.39
  5. Step 5: Solve for x
    x = 35,597,986,178.39/253,520.39
  6. Step 6: Final answer
    x = 140,414.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.