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Finding the Fourth Proportional to 587,442.83, 810,711.20 and 332,796.11

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Solution

The fourth proportional to 587,442.83, 810,711.20 and 332,796.11 is: 459,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,442.83 : 810,711.20 = 332,796.11 : x
  2. Step 2: Convert to fraction form
    587,442.83/810,711.20 = 332,796.11/x
  3. Step 3: Cross multiply
    587,442.83x = 810,711.20 × 332,796.11
  4. Step 4: Simplify right side
    587,442.83x = 269,801,532,029.45
  5. Step 5: Solve for x
    x = 269,801,532,029.45/587,442.83
  6. Step 6: Final answer
    x = 459,281.34

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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.