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Finding the Fourth Proportional to 327,343.68, 451,752.80 and 218,259.77

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Solution

The fourth proportional to 327,343.68, 451,752.80 and 218,259.77 is: 301,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,343.68 : 451,752.80 = 218,259.77 : x
  2. Step 2: Convert to fraction form
    327,343.68/451,752.80 = 218,259.77/x
  3. Step 3: Cross multiply
    327,343.68x = 451,752.80 × 218,259.77
  4. Step 4: Simplify right side
    327,343.68x = 98,599,458,874.79
  5. Step 5: Solve for x
    x = 98,599,458,874.79/327,343.68
  6. Step 6: Final answer
    x = 301,210.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.