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Finding the Fourth Proportional to 658,423.36, 987,693.36 and 185,112.82

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Solution

The fourth proportional to 658,423.36, 987,693.36 and 185,112.82 is: 277,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,423.36 : 987,693.36 = 185,112.82 : x
  2. Step 2: Convert to fraction form
    658,423.36/987,693.36 = 185,112.82/x
  3. Step 3: Cross multiply
    658,423.36x = 987,693.36 × 185,112.82
  4. Step 4: Simplify right side
    658,423.36x = 182,834,703,164.88
  5. Step 5: Solve for x
    x = 182,834,703,164.88/658,423.36
  6. Step 6: Final answer
    x = 277,685.63

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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.