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Finding the Fourth Proportional to 658,465.88, 987,699.15 and 185,151.23

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Solution

The fourth proportional to 658,465.88, 987,699.15 and 185,151.23 is: 277,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,465.88 : 987,699.15 = 185,151.23 : x
  2. Step 2: Convert to fraction form
    658,465.88/987,699.15 = 185,151.23/x
  3. Step 3: Cross multiply
    658,465.88x = 987,699.15 × 185,151.23
  4. Step 4: Simplify right side
    658,465.88x = 182,873,707,553.96
  5. Step 5: Solve for x
    x = 182,873,707,553.96/658,465.88
  6. Step 6: Final answer
    x = 277,726.93

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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.