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Finding the Fourth Proportional to 250,590.22, 374,987.42 and 216,972.22

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Solution

The fourth proportional to 250,590.22, 374,987.42 and 216,972.22 is: 324,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,590.22 : 374,987.42 = 216,972.22 : x
  2. Step 2: Convert to fraction form
    250,590.22/374,987.42 = 216,972.22/x
  3. Step 3: Cross multiply
    250,590.22x = 374,987.42 × 216,972.22
  4. Step 4: Simplify right side
    250,590.22x = 81,361,851,873.66
  5. Step 5: Solve for x
    x = 81,361,851,873.66/250,590.22
  6. Step 6: Final answer
    x = 324,680.87

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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.