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Finding the Fourth Proportional to 587,150.82, 881,065.22 and 317,279.88

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Solution

The fourth proportional to 587,150.82, 881,065.22 and 317,279.88 is: 476,103.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,150.82 : 881,065.22 = 317,279.88 : x
  2. Step 2: Convert to fraction form
    587,150.82/881,065.22 = 317,279.88/x
  3. Step 3: Cross multiply
    587,150.82x = 881,065.22 × 317,279.88
  4. Step 4: Simplify right side
    587,150.82x = 279,544,265,687.37
  5. Step 5: Solve for x
    x = 279,544,265,687.37/587,150.82
  6. Step 6: Final answer
    x = 476,103.00

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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.