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Finding the Fourth Proportional to 526,781.51, 790,194.37 and 166,944.49

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Solution

The fourth proportional to 526,781.51, 790,194.37 and 166,944.49 is: 250,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,781.51 : 790,194.37 = 166,944.49 : x
  2. Step 2: Convert to fraction form
    526,781.51/790,194.37 = 166,944.49/x
  3. Step 3: Cross multiply
    526,781.51x = 790,194.37 × 166,944.49
  4. Step 4: Simplify right side
    526,781.51x = 131,918,596,100.52
  5. Step 5: Solve for x
    x = 131,918,596,100.52/526,781.51
  6. Step 6: Final answer
    x = 250,423.74

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Similar ratio
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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.