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Finding the Fourth Proportional to 488,687.10, 732,994.20 and 204,304.20

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Solution

The fourth proportional to 488,687.10, 732,994.20 and 204,304.20 is: 306,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,687.10 : 732,994.20 = 204,304.20 : x
  2. Step 2: Convert to fraction form
    488,687.10/732,994.20 = 204,304.20/x
  3. Step 3: Cross multiply
    488,687.10x = 732,994.20 × 204,304.20
  4. Step 4: Simplify right side
    488,687.10x = 149,753,793,635.64
  5. Step 5: Solve for x
    x = 149,753,793,635.64/488,687.10
  6. Step 6: Final answer
    x = 306,441.06

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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.