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Finding the Fourth Proportional to 275,265.66, 379,503.06 and 179,606.28

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Solution

The fourth proportional to 275,265.66, 379,503.06 and 179,606.28 is: 247,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,265.66 : 379,503.06 = 179,606.28 : x
  2. Step 2: Convert to fraction form
    275,265.66/379,503.06 = 179,606.28/x
  3. Step 3: Cross multiply
    275,265.66x = 379,503.06 × 179,606.28
  4. Step 4: Simplify right side
    275,265.66x = 68,161,132,855.22
  5. Step 5: Solve for x
    x = 68,161,132,855.22/275,265.66
  6. Step 6: Final answer
    x = 247,619.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.