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Finding the Fourth Proportional to 322,098.72, 483,049.66 and 153,530.22

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Solution

The fourth proportional to 322,098.72, 483,049.66 and 153,530.22 is: 230,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,098.72 : 483,049.66 = 153,530.22 : x
  2. Step 2: Convert to fraction form
    322,098.72/483,049.66 = 153,530.22/x
  3. Step 3: Cross multiply
    322,098.72x = 483,049.66 × 153,530.22
  4. Step 4: Simplify right side
    322,098.72x = 74,162,721,394.52
  5. Step 5: Solve for x
    x = 74,162,721,394.52/322,098.72
  6. Step 6: Final answer
    x = 230,248.42

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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.