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Finding the Fourth Proportional to 489,241.40, 732,907.13 and 337,079.53

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Solution

The fourth proportional to 489,241.40, 732,907.13 and 337,079.53 is: 504,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,241.40 : 732,907.13 = 337,079.53 : x
  2. Step 2: Convert to fraction form
    489,241.40/732,907.13 = 337,079.53/x
  3. Step 3: Cross multiply
    489,241.40x = 732,907.13 × 337,079.53
  4. Step 4: Simplify right side
    489,241.40x = 247,047,987,396.38
  5. Step 5: Solve for x
    x = 247,047,987,396.38/489,241.40
  6. Step 6: Final answer
    x = 504,961.33

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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.