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Finding the Fourth Proportional to 311,593.17, 467,452.63 and 98,394.38

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Solution

The fourth proportional to 311,593.17, 467,452.63 and 98,394.38 is: 147,611.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,593.17 : 467,452.63 = 98,394.38 : x
  2. Step 2: Convert to fraction form
    311,593.17/467,452.63 = 98,394.38/x
  3. Step 3: Cross multiply
    311,593.17x = 467,452.63 × 98,394.38
  4. Step 4: Simplify right side
    311,593.17x = 45,994,712,630.87
  5. Step 5: Solve for x
    x = 45,994,712,630.87/311,593.17
  6. Step 6: Final answer
    x = 147,611.43

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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.