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Finding the Fourth Proportional to 295,333.20, 443,129.40 and 137,480.40

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Solution

The fourth proportional to 295,333.20, 443,129.40 and 137,480.40 is: 206,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,333.20 : 443,129.40 = 137,480.40 : x
  2. Step 2: Convert to fraction form
    295,333.20/443,129.40 = 137,480.40/x
  3. Step 3: Cross multiply
    295,333.20x = 443,129.40 × 137,480.40
  4. Step 4: Simplify right side
    295,333.20x = 60,921,607,163.76
  5. Step 5: Solve for x
    x = 60,921,607,163.76/295,333.20
  6. Step 6: Final answer
    x = 206,280.93

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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.