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Finding the Fourth Proportional to 220,727.71, 330,642.16 and 202,336.39

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Solution

The fourth proportional to 220,727.71, 330,642.16 and 202,336.39 is: 303,092.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,727.71 : 330,642.16 = 202,336.39 : x
  2. Step 2: Convert to fraction form
    220,727.71/330,642.16 = 202,336.39/x
  3. Step 3: Cross multiply
    220,727.71x = 330,642.16 × 202,336.39
  4. Step 4: Simplify right side
    220,727.71x = 66,900,941,036.20
  5. Step 5: Solve for x
    x = 66,900,941,036.20/220,727.71
  6. Step 6: Final answer
    x = 303,092.63

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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.