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Finding the Fourth Proportional to 252,294.75, 378,449.42 and 65,306.25

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Solution

The fourth proportional to 252,294.75, 378,449.42 and 65,306.25 is: 97,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,294.75 : 378,449.42 = 65,306.25 : x
  2. Step 2: Convert to fraction form
    252,294.75/378,449.42 = 65,306.25/x
  3. Step 3: Cross multiply
    252,294.75x = 378,449.42 × 65,306.25
  4. Step 4: Simplify right side
    252,294.75x = 24,715,112,108.34
  5. Step 5: Solve for x
    x = 24,715,112,108.34/252,294.75
  6. Step 6: Final answer
    x = 97,961.26

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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.