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Finding the Fourth Proportional to 587,257.96, 810,483.22 and 329,204.61

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Solution

The fourth proportional to 587,257.96, 810,483.22 and 329,204.61 is: 454,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,257.96 : 810,483.22 = 329,204.61 : x
  2. Step 2: Convert to fraction form
    587,257.96/810,483.22 = 329,204.61/x
  3. Step 3: Cross multiply
    587,257.96x = 810,483.22 × 329,204.61
  4. Step 4: Simplify right side
    587,257.96x = 266,814,812,351.64
  5. Step 5: Solve for x
    x = 266,814,812,351.64/587,257.96
  6. Step 6: Final answer
    x = 454,340.05

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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.