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Finding the Fourth Proportional to 372,994.38, 559,749.96 and 148,331.79

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Solution

The fourth proportional to 372,994.38, 559,749.96 and 148,331.79 is: 222,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,994.38 : 559,749.96 = 148,331.79 : x
  2. Step 2: Convert to fraction form
    372,994.38/559,749.96 = 148,331.79/x
  3. Step 3: Cross multiply
    372,994.38x = 559,749.96 × 148,331.79
  4. Step 4: Simplify right side
    372,994.38x = 83,028,713,519.23
  5. Step 5: Solve for x
    x = 83,028,713,519.23/372,994.38
  6. Step 6: Final answer
    x = 222,600.44

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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.