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Finding the Fourth Proportional to 577,502.01, 865,920.51 and 222,469.83

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Solution

The fourth proportional to 577,502.01, 865,920.51 and 222,469.83 is: 333,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,502.01 : 865,920.51 = 222,469.83 : x
  2. Step 2: Convert to fraction form
    577,502.01/865,920.51 = 222,469.83/x
  3. Step 3: Cross multiply
    577,502.01x = 865,920.51 × 222,469.83
  4. Step 4: Simplify right side
    577,502.01x = 192,641,188,653.21
  5. Step 5: Solve for x
    x = 192,641,188,653.21/577,502.01
  6. Step 6: Final answer
    x = 333,576.65

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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.