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Finding the Fourth Proportional to 658,504.32, 987,756.48 and 159,864.96

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Solution

The fourth proportional to 658,504.32, 987,756.48 and 159,864.96 is: 239,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,504.32 : 987,756.48 = 159,864.96 : x
  2. Step 2: Convert to fraction form
    658,504.32/987,756.48 = 159,864.96/x
  3. Step 3: Cross multiply
    658,504.32x = 987,756.48 × 159,864.96
  4. Step 4: Simplify right side
    658,504.32x = 157,907,650,164.94
  5. Step 5: Solve for x
    x = 157,907,650,164.94/658,504.32
  6. Step 6: Final answer
    x = 239,797.44

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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.