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Finding the Fourth Proportional to 275,210.39, 379,629.04 and 173,073.84

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Solution

The fourth proportional to 275,210.39, 379,629.04 and 173,073.84 is: 238,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,210.39 : 379,629.04 = 173,073.84 : x
  2. Step 2: Convert to fraction form
    275,210.39/379,629.04 = 173,073.84/x
  3. Step 3: Cross multiply
    275,210.39x = 379,629.04 × 173,073.84
  4. Step 4: Simplify right side
    275,210.39x = 65,703,856,677.39
  5. Step 5: Solve for x
    x = 65,703,856,677.39/275,210.39
  6. Step 6: Final answer
    x = 238,740.47

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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.