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Finding the Fourth Proportional to 220,294.47, 330,589.35 and 141,464.07

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Solution

The fourth proportional to 220,294.47, 330,589.35 and 141,464.07 is: 212,290.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,294.47 : 330,589.35 = 141,464.07 : x
  2. Step 2: Convert to fraction form
    220,294.47/330,589.35 = 141,464.07/x
  3. Step 3: Cross multiply
    220,294.47x = 330,589.35 × 141,464.07
  4. Step 4: Simplify right side
    220,294.47x = 46,766,514,949.65
  5. Step 5: Solve for x
    x = 46,766,514,949.65/220,294.47
  6. Step 6: Final answer
    x = 212,290.92

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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.