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Finding the Fourth Proportional to 488,621.74, 732,922.17 and 133,635.76

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Solution

The fourth proportional to 488,621.74, 732,922.17 and 133,635.76 is: 200,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,621.74 : 732,922.17 = 133,635.76 : x
  2. Step 2: Convert to fraction form
    488,621.74/732,922.17 = 133,635.76/x
  3. Step 3: Cross multiply
    488,621.74x = 732,922.17 × 133,635.76
  4. Step 4: Simplify right side
    488,621.74x = 97,944,611,208.80
  5. Step 5: Solve for x
    x = 97,944,611,208.80/488,621.74
  6. Step 6: Final answer
    x = 200,450.78

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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.