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Finding the Fourth Proportional to 304,874.30, 457,311.45 and 262,883.90

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Solution

The fourth proportional to 304,874.30, 457,311.45 and 262,883.90 is: 394,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,874.30 : 457,311.45 = 262,883.90 : x
  2. Step 2: Convert to fraction form
    304,874.30/457,311.45 = 262,883.90/x
  3. Step 3: Cross multiply
    304,874.30x = 457,311.45 × 262,883.90
  4. Step 4: Simplify right side
    304,874.30x = 120,219,817,490.66
  5. Step 5: Solve for x
    x = 120,219,817,490.66/304,874.30
  6. Step 6: Final answer
    x = 394,325.85

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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.