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Finding the Fourth Proportional to 587,243.52, 810,440.64 and 332,588.16

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Solution

The fourth proportional to 587,243.52, 810,440.64 and 332,588.16 is: 458,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,243.52 : 810,440.64 = 332,588.16 : x
  2. Step 2: Convert to fraction form
    587,243.52/810,440.64 = 332,588.16/x
  3. Step 3: Cross multiply
    587,243.52x = 810,440.64 × 332,588.16
  4. Step 4: Simplify right side
    587,243.52x = 269,542,961,246.82
  5. Step 5: Solve for x
    x = 269,542,961,246.82/587,243.52
  6. Step 6: Final answer
    x = 458,996.91

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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.