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Finding the Fourth Proportional to 276,700.60, 415,050.90 and 230,044.60

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Solution

The fourth proportional to 276,700.60, 415,050.90 and 230,044.60 is: 345,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,700.60 : 415,050.90 = 230,044.60 : x
  2. Step 2: Convert to fraction form
    276,700.60/415,050.90 = 230,044.60/x
  3. Step 3: Cross multiply
    276,700.60x = 415,050.90 × 230,044.60
  4. Step 4: Simplify right side
    276,700.60x = 95,480,218,270.14
  5. Step 5: Solve for x
    x = 95,480,218,270.14/276,700.60
  6. Step 6: Final answer
    x = 345,066.90

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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.