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Finding the Fourth Proportional to 275,661.77, 380,454.39 and 168,294.04

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Solution

The fourth proportional to 275,661.77, 380,454.39 and 168,294.04 is: 232,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,661.77 : 380,454.39 = 168,294.04 : x
  2. Step 2: Convert to fraction form
    275,661.77/380,454.39 = 168,294.04/x
  3. Step 3: Cross multiply
    275,661.77x = 380,454.39 × 168,294.04
  4. Step 4: Simplify right side
    275,661.77x = 64,028,205,487.37
  5. Step 5: Solve for x
    x = 64,028,205,487.37/275,661.77
  6. Step 6: Final answer
    x = 232,270.89

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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.