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Finding the Fourth Proportional to 587,130.72, 810,240.36 and 332,531.12

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Solution

The fourth proportional to 587,130.72, 810,240.36 and 332,531.12 is: 458,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,130.72 : 810,240.36 = 332,531.12 : x
  2. Step 2: Convert to fraction form
    587,130.72/810,240.36 = 332,531.12/x
  3. Step 3: Cross multiply
    587,130.72x = 810,240.36 × 332,531.12
  4. Step 4: Simplify right side
    587,130.72x = 269,430,134,380.00
  5. Step 5: Solve for x
    x = 269,430,134,380.00/587,130.72
  6. Step 6: Final answer
    x = 458,892.93

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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.