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Finding the Fourth Proportional to 661,876.02, 992,650.02 and 188,565.48

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Solution

The fourth proportional to 661,876.02, 992,650.02 and 188,565.48 is: 282,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,876.02 : 992,650.02 = 188,565.48 : x
  2. Step 2: Convert to fraction form
    661,876.02/992,650.02 = 188,565.48/x
  3. Step 3: Cross multiply
    661,876.02x = 992,650.02 × 188,565.48
  4. Step 4: Simplify right side
    661,876.02x = 187,179,527,493.31
  5. Step 5: Solve for x
    x = 187,179,527,493.31/661,876.02
  6. Step 6: Final answer
    x = 282,801.49

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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.