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Finding the Fourth Proportional to 276,740.10, 415,110.15 and 150,768.90

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Solution

The fourth proportional to 276,740.10, 415,110.15 and 150,768.90 is: 226,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,740.10 : 415,110.15 = 150,768.90 : x
  2. Step 2: Convert to fraction form
    276,740.10/415,110.15 = 150,768.90/x
  3. Step 3: Cross multiply
    276,740.10x = 415,110.15 × 150,768.90
  4. Step 4: Simplify right side
    276,740.10x = 62,585,700,694.34
  5. Step 5: Solve for x
    x = 62,585,700,694.34/276,740.10
  6. Step 6: Final answer
    x = 226,153.35

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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.