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Finding the Fourth Proportional to 317,233.62, 475,660.34 and 100,998.90

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Solution

The fourth proportional to 317,233.62, 475,660.34 and 100,998.90 is: 151,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,233.62 : 475,660.34 = 100,998.90 : x
  2. Step 2: Convert to fraction form
    317,233.62/475,660.34 = 100,998.90/x
  3. Step 3: Cross multiply
    317,233.62x = 475,660.34 × 100,998.90
  4. Step 4: Simplify right side
    317,233.62x = 48,041,171,113.63
  5. Step 5: Solve for x
    x = 48,041,171,113.63/317,233.62
  6. Step 6: Final answer
    x = 151,437.83

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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.