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Finding the Fourth Proportional to 253,420.48, 380,184.90 and 93,496.96

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Solution

The fourth proportional to 253,420.48, 380,184.90 and 93,496.96 is: 140,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,420.48 : 380,184.90 = 93,496.96 : x
  2. Step 2: Convert to fraction form
    253,420.48/380,184.90 = 93,496.96/x
  3. Step 3: Cross multiply
    253,420.48x = 380,184.90 × 93,496.96
  4. Step 4: Simplify right side
    253,420.48x = 35,546,132,387.90
  5. Step 5: Solve for x
    x = 35,546,132,387.90/253,420.48
  6. Step 6: Final answer
    x = 140,265.43

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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.