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Finding the Fourth Proportional to 331,148.67, 456,972.48 and 187,900.17

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Solution

The fourth proportional to 331,148.67, 456,972.48 and 187,900.17 is: 259,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,148.67 : 456,972.48 = 187,900.17 : x
  2. Step 2: Convert to fraction form
    331,148.67/456,972.48 = 187,900.17/x
  3. Step 3: Cross multiply
    331,148.67x = 456,972.48 × 187,900.17
  4. Step 4: Simplify right side
    331,148.67x = 85,865,206,677.32
  5. Step 5: Solve for x
    x = 85,865,206,677.32/331,148.67
  6. Step 6: Final answer
    x = 259,295.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.