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Finding the Fourth Proportional to 404,059.12, 557,600.84 and 222,769.78

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Solution

The fourth proportional to 404,059.12, 557,600.84 and 222,769.78 is: 307,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,059.12 : 557,600.84 = 222,769.78 : x
  2. Step 2: Convert to fraction form
    404,059.12/557,600.84 = 222,769.78/x
  3. Step 3: Cross multiply
    404,059.12x = 557,600.84 × 222,769.78
  4. Step 4: Simplify right side
    404,059.12x = 124,216,615,340.77
  5. Step 5: Solve for x
    x = 124,216,615,340.77/404,059.12
  6. Step 6: Final answer
    x = 307,421.88

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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.