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Finding the Fourth Proportional to 276,080.60, 413,902.20 and 151,421.60

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Solution

The fourth proportional to 276,080.60, 413,902.20 and 151,421.60 is: 227,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,080.60 : 413,902.20 = 151,421.60 : x
  2. Step 2: Convert to fraction form
    276,080.60/413,902.20 = 151,421.60/x
  3. Step 3: Cross multiply
    276,080.60x = 413,902.20 × 151,421.60
  4. Step 4: Simplify right side
    276,080.60x = 62,673,733,367.52
  5. Step 5: Solve for x
    x = 62,673,733,367.52/276,080.60
  6. Step 6: Final answer
    x = 227,012.45

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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.