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Finding the Fourth Proportional to 223,878.80, 336,001.80 and 222,129.20

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Solution

The fourth proportional to 223,878.80, 336,001.80 and 222,129.20 is: 333,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,878.80 : 336,001.80 = 222,129.20 : x
  2. Step 2: Convert to fraction form
    223,878.80/336,001.80 = 222,129.20/x
  3. Step 3: Cross multiply
    223,878.80x = 336,001.80 × 222,129.20
  4. Step 4: Simplify right side
    223,878.80x = 74,635,811,032.56
  5. Step 5: Solve for x
    x = 74,635,811,032.56/223,878.80
  6. Step 6: Final answer
    x = 333,375.97

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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.