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Finding the Fourth Proportional to 502,917.12, 694,312.56 and 333,380.88

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Solution

The fourth proportional to 502,917.12, 694,312.56 and 333,380.88 is: 460,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,917.12 : 694,312.56 = 333,380.88 : x
  2. Step 2: Convert to fraction form
    502,917.12/694,312.56 = 333,380.88/x
  3. Step 3: Cross multiply
    502,917.12x = 694,312.56 × 333,380.88
  4. Step 4: Simplify right side
    502,917.12x = 231,470,532,247.85
  5. Step 5: Solve for x
    x = 231,470,532,247.85/502,917.12
  6. Step 6: Final answer
    x = 460,255.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.