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Finding the Fourth Proportional to 236,502.10, 354,753.15 and 218,617.30

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Solution

The fourth proportional to 236,502.10, 354,753.15 and 218,617.30 is: 327,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,502.10 : 354,753.15 = 218,617.30 : x
  2. Step 2: Convert to fraction form
    236,502.10/354,753.15 = 218,617.30/x
  3. Step 3: Cross multiply
    236,502.10x = 354,753.15 × 218,617.30
  4. Step 4: Simplify right side
    236,502.10x = 77,555,175,819.50
  5. Step 5: Solve for x
    x = 77,555,175,819.50/236,502.10
  6. Step 6: Final answer
    x = 327,925.95

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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.