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Finding the Fourth Proportional to 252,808.17, 379,267.05 and 75,329.49

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Solution

The fourth proportional to 252,808.17, 379,267.05 and 75,329.49 is: 113,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,808.17 : 379,267.05 = 75,329.49 : x
  2. Step 2: Convert to fraction form
    252,808.17/379,267.05 = 75,329.49/x
  3. Step 3: Cross multiply
    252,808.17x = 379,267.05 × 75,329.49
  4. Step 4: Simplify right side
    252,808.17x = 28,569,993,450.30
  5. Step 5: Solve for x
    x = 28,569,993,450.30/252,808.17
  6. Step 6: Final answer
    x = 113,010.56

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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.