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Finding the Fourth Proportional to 489,242.91, 732,909.37 and 337,081.03

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Solution

The fourth proportional to 489,242.91, 732,909.37 and 337,081.03 is: 504,963.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,242.91 : 732,909.37 = 337,081.03 : x
  2. Step 2: Convert to fraction form
    489,242.91/732,909.37 = 337,081.03/x
  3. Step 3: Cross multiply
    489,242.91x = 732,909.37 × 337,081.03
  4. Step 4: Simplify right side
    489,242.91x = 247,049,845,336.25
  5. Step 5: Solve for x
    x = 247,049,845,336.25/489,242.91
  6. Step 6: Final answer
    x = 504,963.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.