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Finding the Fourth Proportional to 479,472.01, 719,020.06 and 179,789.22

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Solution

The fourth proportional to 479,472.01, 719,020.06 and 179,789.22 is: 269,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,472.01 : 719,020.06 = 179,789.22 : x
  2. Step 2: Convert to fraction form
    479,472.01/719,020.06 = 179,789.22/x
  3. Step 3: Cross multiply
    479,472.01x = 719,020.06 × 179,789.22
  4. Step 4: Simplify right side
    479,472.01x = 129,272,055,302.28
  5. Step 5: Solve for x
    x = 129,272,055,302.28/479,472.01
  6. Step 6: Final answer
    x = 269,613.35

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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.