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Finding the Fourth Proportional to 252,446.67, 378,309.15 and 185,360.45

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Solution

The fourth proportional to 252,446.67, 378,309.15 and 185,360.45 is: 277,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,446.67 : 378,309.15 = 185,360.45 : x
  2. Step 2: Convert to fraction form
    252,446.67/378,309.15 = 185,360.45/x
  3. Step 3: Cross multiply
    252,446.67x = 378,309.15 × 185,360.45
  4. Step 4: Simplify right side
    252,446.67x = 70,123,552,391.57
  5. Step 5: Solve for x
    x = 70,123,552,391.57/252,446.67
  6. Step 6: Final answer
    x = 277,775.71

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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.