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Finding the Fourth Proportional to 515,988.50, 773,955.41 and 160,961.85

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Solution

The fourth proportional to 515,988.50, 773,955.41 and 160,961.85 is: 241,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,988.50 : 773,955.41 = 160,961.85 : x
  2. Step 2: Convert to fraction form
    515,988.50/773,955.41 = 160,961.85/x
  3. Step 3: Cross multiply
    515,988.50x = 773,955.41 × 160,961.85
  4. Step 4: Simplify right side
    515,988.50x = 124,577,293,806.30
  5. Step 5: Solve for x
    x = 124,577,293,806.30/515,988.50
  6. Step 6: Final answer
    x = 241,434.25

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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.