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Finding the Fourth Proportional to 587,118.25, 810,223.17 and 332,518.65

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Solution

The fourth proportional to 587,118.25, 810,223.17 and 332,518.65 is: 458,875.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,118.25 : 810,223.17 = 332,518.65 : x
  2. Step 2: Convert to fraction form
    587,118.25/810,223.17 = 332,518.65/x
  3. Step 3: Cross multiply
    587,118.25x = 810,223.17 × 332,518.65
  4. Step 4: Simplify right side
    587,118.25x = 269,414,312,272.26
  5. Step 5: Solve for x
    x = 269,414,312,272.26/587,118.25
  6. Step 6: Final answer
    x = 458,875.72

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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.