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Finding the Fourth Proportional to 488,612.12, 732,898.84 and 204,229.22

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Solution

The fourth proportional to 488,612.12, 732,898.84 and 204,229.22 is: 306,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,612.12 : 732,898.84 = 204,229.22 : x
  2. Step 2: Convert to fraction form
    488,612.12/732,898.84 = 204,229.22/x
  3. Step 3: Cross multiply
    488,612.12x = 732,898.84 × 204,229.22
  4. Step 4: Simplify right side
    488,612.12x = 149,679,357,005.41
  5. Step 5: Solve for x
    x = 149,679,357,005.41/488,612.12
  6. Step 6: Final answer
    x = 306,335.74

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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.