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Finding the Fourth Proportional to 317,740.44, 476,679.24 and 107,373.72

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Solution

The fourth proportional to 317,740.44, 476,679.24 and 107,373.72 is: 161,083.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,740.44 : 476,679.24 = 107,373.72 : x
  2. Step 2: Convert to fraction form
    317,740.44/476,679.24 = 107,373.72/x
  3. Step 3: Cross multiply
    317,740.44x = 476,679.24 × 107,373.72
  4. Step 4: Simplify right side
    317,740.44x = 51,182,823,245.57
  5. Step 5: Solve for x
    x = 51,182,823,245.57/317,740.44
  6. Step 6: Final answer
    x = 161,083.76

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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.