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Finding the Fourth Proportional to 367,560.90, 551,406.15 and 131,040.90

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Solution

The fourth proportional to 367,560.90, 551,406.15 and 131,040.90 is: 196,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,560.90 : 551,406.15 = 131,040.90 : x
  2. Step 2: Convert to fraction form
    367,560.90/551,406.15 = 131,040.90/x
  3. Step 3: Cross multiply
    367,560.90x = 551,406.15 × 131,040.90
  4. Step 4: Simplify right side
    367,560.90x = 72,256,758,161.54
  5. Step 5: Solve for x
    x = 72,256,758,161.54/367,560.90
  6. Step 6: Final answer
    x = 196,584.45

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1.5x scale

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.