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Finding the Fourth Proportional to 474,776.46, 711,659.61 and 324,974.70

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Solution

The fourth proportional to 474,776.46, 711,659.61 and 324,974.70 is: 487,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,776.46 : 711,659.61 = 324,974.70 : x
  2. Step 2: Convert to fraction form
    474,776.46/711,659.61 = 324,974.70/x
  3. Step 3: Cross multiply
    474,776.46x = 711,659.61 × 324,974.70
  4. Step 4: Simplify right side
    474,776.46x = 231,271,368,261.87
  5. Step 5: Solve for x
    x = 231,271,368,261.87/474,776.46
  6. Step 6: Final answer
    x = 487,116.33

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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.