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Finding the Fourth Proportional to 483,675.30, 725,514.71 and 146,718.90

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Solution

The fourth proportional to 483,675.30, 725,514.71 and 146,718.90 is: 220,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,675.30 : 725,514.71 = 146,718.90 : x
  2. Step 2: Convert to fraction form
    483,675.30/725,514.71 = 146,718.90/x
  3. Step 3: Cross multiply
    483,675.30x = 725,514.71 × 146,718.90
  4. Step 4: Simplify right side
    483,675.30x = 106,446,719,451.42
  5. Step 5: Solve for x
    x = 106,446,719,451.42/483,675.30
  6. Step 6: Final answer
    x = 220,078.88

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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.