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Finding the Fourth Proportional to 331,010.65, 495,531.83 and 331,010.65

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Solution

The fourth proportional to 331,010.65, 495,531.83 and 331,010.65 is: 495,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,010.65 : 495,531.83 = 331,010.65 : x
  2. Step 2: Convert to fraction form
    331,010.65/495,531.83 = 331,010.65/x
  3. Step 3: Cross multiply
    331,010.65x = 495,531.83 × 331,010.65
  4. Step 4: Simplify right side
    331,010.65x = 164,026,311,488.94
  5. Step 5: Solve for x
    x = 164,026,311,488.94/331,010.65
  6. Step 6: Final answer
    x = 495,531.83

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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.