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Finding the Fourth Proportional to 474,015.38, 711,060.87 and 158,473.94

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Solution

The fourth proportional to 474,015.38, 711,060.87 and 158,473.94 is: 237,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,015.38 : 711,060.87 = 158,473.94 : x
  2. Step 2: Convert to fraction form
    474,015.38/711,060.87 = 158,473.94/x
  3. Step 3: Cross multiply
    474,015.38x = 711,060.87 × 158,473.94
  4. Step 4: Simplify right side
    474,015.38x = 112,684,617,648.73
  5. Step 5: Solve for x
    x = 112,684,617,648.73/474,015.38
  6. Step 6: Final answer
    x = 237,723.55

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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.