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Finding the Fourth Proportional to 587,047.12, 810,125.52 and 332,398.72

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Solution

The fourth proportional to 587,047.12, 810,125.52 and 332,398.72 is: 458,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,047.12 : 810,125.52 = 332,398.72 : x
  2. Step 2: Convert to fraction form
    587,047.12/810,125.52 = 332,398.72/x
  3. Step 3: Cross multiply
    587,047.12x = 810,125.52 × 332,398.72
  4. Step 4: Simplify right side
    587,047.12x = 269,284,685,887.33
  5. Step 5: Solve for x
    x = 269,284,685,887.33/587,047.12
  6. Step 6: Final answer
    x = 458,710.51

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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.