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Finding the Fourth Proportional to 331,097.67, 456,901.33 and 187,854.64

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Solution

The fourth proportional to 331,097.67, 456,901.33 and 187,854.64 is: 259,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,097.67 : 456,901.33 = 187,854.64 : x
  2. Step 2: Convert to fraction form
    331,097.67/456,901.33 = 187,854.64/x
  3. Step 3: Cross multiply
    331,097.67x = 456,901.33 × 187,854.64
  4. Step 4: Simplify right side
    331,097.67x = 85,831,033,250.78
  5. Step 5: Solve for x
    x = 85,831,033,250.78/331,097.67
  6. Step 6: Final answer
    x = 259,231.76

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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.