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Finding the Fourth Proportional to 378,363.63, 567,261.12 and 178,570.26

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Solution

The fourth proportional to 378,363.63, 567,261.12 and 178,570.26 is: 267,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,363.63 : 567,261.12 = 178,570.26 : x
  2. Step 2: Convert to fraction form
    378,363.63/567,261.12 = 178,570.26/x
  3. Step 3: Cross multiply
    378,363.63x = 567,261.12 × 178,570.26
  4. Step 4: Simplify right side
    378,363.63x = 101,295,965,686.29
  5. Step 5: Solve for x
    x = 101,295,965,686.29/378,363.63
  6. Step 6: Final answer
    x = 267,721.20

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1.5x scale

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.