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Finding the Fourth Proportional to 309,895.48, 465,092.36 and 160,179.64

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Solution

The fourth proportional to 309,895.48, 465,092.36 and 160,179.64 is: 240,398.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,895.48 : 465,092.36 = 160,179.64 : x
  2. Step 2: Convert to fraction form
    309,895.48/465,092.36 = 160,179.64/x
  3. Step 3: Cross multiply
    309,895.48x = 465,092.36 × 160,179.64
  4. Step 4: Simplify right side
    309,895.48x = 74,498,326,791.55
  5. Step 5: Solve for x
    x = 74,498,326,791.55/309,895.48
  6. Step 6: Final answer
    x = 240,398.24

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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.