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Finding the Fourth Proportional to 511,572.73, 767,228.15 and 151,659.41

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Solution

The fourth proportional to 511,572.73, 767,228.15 and 151,659.41 is: 227,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,572.73 : 767,228.15 = 151,659.41 : x
  2. Step 2: Convert to fraction form
    511,572.73/767,228.15 = 151,659.41/x
  3. Step 3: Cross multiply
    511,572.73x = 767,228.15 × 151,659.41
  4. Step 4: Simplify right side
    511,572.73x = 116,357,368,564.39
  5. Step 5: Solve for x
    x = 116,357,368,564.39/511,572.73
  6. Step 6: Final answer
    x = 227,450.30

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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.