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Finding the Fourth Proportional to 276,670.80, 415,006.20 and 246,927.60

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Solution

The fourth proportional to 276,670.80, 415,006.20 and 246,927.60 is: 370,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,670.80 : 415,006.20 = 246,927.60 : x
  2. Step 2: Convert to fraction form
    276,670.80/415,006.20 = 246,927.60/x
  3. Step 3: Cross multiply
    276,670.80x = 415,006.20 × 246,927.60
  4. Step 4: Simplify right side
    276,670.80x = 102,476,484,951.12
  5. Step 5: Solve for x
    x = 102,476,484,951.12/276,670.80
  6. Step 6: Final answer
    x = 370,391.40

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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.