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Finding the Fourth Proportional to 276,688.10, 415,032.15 and 244,028.90

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Solution

The fourth proportional to 276,688.10, 415,032.15 and 244,028.90 is: 366,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,688.10 : 415,032.15 = 244,028.90 : x
  2. Step 2: Convert to fraction form
    276,688.10/415,032.15 = 244,028.90/x
  3. Step 3: Cross multiply
    276,688.10x = 415,032.15 × 244,028.90
  4. Step 4: Simplify right side
    276,688.10x = 101,279,839,029.14
  5. Step 5: Solve for x
    x = 101,279,839,029.14/276,688.10
  6. Step 6: Final answer
    x = 366,043.35

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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.