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Finding the Fourth Proportional to 275,194.20, 413,180.10 and 170,218.20

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Solution

The fourth proportional to 275,194.20, 413,180.10 and 170,218.20 is: 255,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,194.20 : 413,180.10 = 170,218.20 : x
  2. Step 2: Convert to fraction form
    275,194.20/413,180.10 = 170,218.20/x
  3. Step 3: Cross multiply
    275,194.20x = 413,180.10 × 170,218.20
  4. Step 4: Simplify right side
    275,194.20x = 70,330,772,897.82
  5. Step 5: Solve for x
    x = 70,330,772,897.82/275,194.20
  6. Step 6: Final answer
    x = 255,567.79

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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.