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Finding the Fourth Proportional to 609,987.68, 914,722.32 and 249,910.64

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Solution

The fourth proportional to 609,987.68, 914,722.32 and 249,910.64 is: 374,759.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,987.68 : 914,722.32 = 249,910.64 : x
  2. Step 2: Convert to fraction form
    609,987.68/914,722.32 = 249,910.64/x
  3. Step 3: Cross multiply
    609,987.68x = 914,722.32 × 249,910.64
  4. Step 4: Simplify right side
    609,987.68x = 228,598,840,413.49
  5. Step 5: Solve for x
    x = 228,598,840,413.49/609,987.68
  6. Step 6: Final answer
    x = 374,759.77

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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.