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Finding the Fourth Proportional to 292,766.75, 404,018.40 and 158,630.75

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Solution

The fourth proportional to 292,766.75, 404,018.40 and 158,630.75 is: 218,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,766.75 : 404,018.40 = 158,630.75 : x
  2. Step 2: Convert to fraction form
    292,766.75/404,018.40 = 158,630.75/x
  3. Step 3: Cross multiply
    292,766.75x = 404,018.40 × 158,630.75
  4. Step 4: Simplify right side
    292,766.75x = 64,089,741,805.80
  5. Step 5: Solve for x
    x = 64,089,741,805.80/292,766.75
  6. Step 6: Final answer
    x = 218,910.59

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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.