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Finding the Fourth Proportional to 511,572.57, 767,227.92 and 151,659.26

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Solution

The fourth proportional to 511,572.57, 767,227.92 and 151,659.26 is: 227,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,572.57 : 767,227.92 = 151,659.26 : x
  2. Step 2: Convert to fraction form
    511,572.57/767,227.92 = 151,659.26/x
  3. Step 3: Cross multiply
    511,572.57x = 767,227.92 × 151,659.26
  4. Step 4: Simplify right side
    511,572.57x = 116,357,217,070.78
  5. Step 5: Solve for x
    x = 116,357,217,070.78/511,572.57
  6. Step 6: Final answer
    x = 227,450.07

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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.