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Finding the Fourth Proportional to 587,698.92, 810,967.85 and 329,586.44

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Solution

The fourth proportional to 587,698.92, 810,967.85 and 329,586.44 is: 454,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,698.92 : 810,967.85 = 329,586.44 : x
  2. Step 2: Convert to fraction form
    587,698.92/810,967.85 = 329,586.44/x
  3. Step 3: Cross multiply
    587,698.92x = 810,967.85 × 329,586.44
  4. Step 4: Simplify right side
    587,698.92x = 267,284,009,011.67
  5. Step 5: Solve for x
    x = 267,284,009,011.67/587,698.92
  6. Step 6: Final answer
    x = 454,797.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.