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Finding the Fourth Proportional to 598,003.80, 897,661.80 and 331,627.20

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Solution

The fourth proportional to 598,003.80, 897,661.80 and 331,627.20 is: 497,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,003.80 : 897,661.80 = 331,627.20 : x
  2. Step 2: Convert to fraction form
    598,003.80/897,661.80 = 331,627.20/x
  3. Step 3: Cross multiply
    598,003.80x = 897,661.80 × 331,627.20
  4. Step 4: Simplify right side
    598,003.80x = 297,689,069,280.96
  5. Step 5: Solve for x
    x = 297,689,069,280.96/598,003.80
  6. Step 6: Final answer
    x = 497,804.64

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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.