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Finding the Fourth Proportional to 289,781.22, 400,092.27 and 181,051.11

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Solution

The fourth proportional to 289,781.22, 400,092.27 and 181,051.11 is: 249,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,781.22 : 400,092.27 = 181,051.11 : x
  2. Step 2: Convert to fraction form
    289,781.22/400,092.27 = 181,051.11/x
  3. Step 3: Cross multiply
    289,781.22x = 400,092.27 × 181,051.11
  4. Step 4: Simplify right side
    289,781.22x = 72,437,149,585.92
  5. Step 5: Solve for x
    x = 72,437,149,585.92/289,781.22
  6. Step 6: Final answer
    x = 249,971.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.