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Finding the Fourth Proportional to 574,273.56, 861,410.34 and 153,538.50

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Solution

The fourth proportional to 574,273.56, 861,410.34 and 153,538.50 is: 230,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,273.56 : 861,410.34 = 153,538.50 : x
  2. Step 2: Convert to fraction form
    574,273.56/861,410.34 = 153,538.50/x
  3. Step 3: Cross multiply
    574,273.56x = 861,410.34 × 153,538.50
  4. Step 4: Simplify right side
    574,273.56x = 132,259,651,488.09
  5. Step 5: Solve for x
    x = 132,259,651,488.09/574,273.56
  6. Step 6: Final answer
    x = 230,307.75

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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.