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Finding the Fourth Proportional to 367,777.20, 551,665.80 and 131,034.45

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Solution

The fourth proportional to 367,777.20, 551,665.80 and 131,034.45 is: 196,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,777.20 : 551,665.80 = 131,034.45 : x
  2. Step 2: Convert to fraction form
    367,777.20/551,665.80 = 131,034.45/x
  3. Step 3: Cross multiply
    367,777.20x = 551,665.80 × 131,034.45
  4. Step 4: Simplify right side
    367,777.20x = 72,287,224,686.81
  5. Step 5: Solve for x
    x = 72,287,224,686.81/367,777.20
  6. Step 6: Final answer
    x = 196,551.68

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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.