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Finding the Fourth Proportional to 571,334.80, 857,002.20 and 150,653.20

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Solution

The fourth proportional to 571,334.80, 857,002.20 and 150,653.20 is: 225,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,334.80 : 857,002.20 = 150,653.20 : x
  2. Step 2: Convert to fraction form
    571,334.80/857,002.20 = 150,653.20/x
  3. Step 3: Cross multiply
    571,334.80x = 857,002.20 × 150,653.20
  4. Step 4: Simplify right side
    571,334.80x = 129,110,123,837.04
  5. Step 5: Solve for x
    x = 129,110,123,837.04/571,334.80
  6. Step 6: Final answer
    x = 225,979.80

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Similar ratio
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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.