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Finding the Fourth Proportional to 313,292.38, 469,941.10 and 88,660.14

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Solution

The fourth proportional to 313,292.38, 469,941.10 and 88,660.14 is: 132,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,292.38 : 469,941.10 = 88,660.14 : x
  2. Step 2: Convert to fraction form
    313,292.38/469,941.10 = 88,660.14/x
  3. Step 3: Cross multiply
    313,292.38x = 469,941.10 × 88,660.14
  4. Step 4: Simplify right side
    313,292.38x = 41,665,043,496.10
  5. Step 5: Solve for x
    x = 41,665,043,496.10/313,292.38
  6. Step 6: Final answer
    x = 132,990.93

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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.