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Finding the Fourth Proportional to 486,165.65, 671,204.27 and 333,454.73

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Solution

The fourth proportional to 486,165.65, 671,204.27 and 333,454.73 is: 460,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,165.65 : 671,204.27 = 333,454.73 : x
  2. Step 2: Convert to fraction form
    486,165.65/671,204.27 = 333,454.73/x
  3. Step 3: Cross multiply
    486,165.65x = 671,204.27 × 333,454.73
  4. Step 4: Simplify right side
    486,165.65x = 223,816,236,105.31
  5. Step 5: Solve for x
    x = 223,816,236,105.31/486,165.65
  6. Step 6: Final answer
    x = 460,370.33

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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.