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Finding the Fourth Proportional to 581,911.89, 803,033.15 and 327,257.61

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Solution

The fourth proportional to 581,911.89, 803,033.15 and 327,257.61 is: 451,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,911.89 : 803,033.15 = 327,257.61 : x
  2. Step 2: Convert to fraction form
    581,911.89/803,033.15 = 327,257.61/x
  3. Step 3: Cross multiply
    581,911.89x = 803,033.15 × 327,257.61
  4. Step 4: Simplify right side
    581,911.89x = 262,798,709,419.77
  5. Step 5: Solve for x
    x = 262,798,709,419.77/581,911.89
  6. Step 6: Final answer
    x = 451,612.54

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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.