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Finding the Fourth Proportional to 220,463.28, 330,841.98 and 141,634.08

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Solution

The fourth proportional to 220,463.28, 330,841.98 and 141,634.08 is: 212,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,463.28 : 330,841.98 = 141,634.08 : x
  2. Step 2: Convert to fraction form
    220,463.28/330,841.98 = 141,634.08/x
  3. Step 3: Cross multiply
    220,463.28x = 330,841.98 × 141,634.08
  4. Step 4: Simplify right side
    220,463.28x = 46,858,499,462.68
  5. Step 5: Solve for x
    x = 46,858,499,462.68/220,463.28
  6. Step 6: Final answer
    x = 212,545.60

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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.