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Finding the Fourth Proportional to 382,770.09, 574,366.55 and 158,078.25

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Solution

The fourth proportional to 382,770.09, 574,366.55 and 158,078.25 is: 237,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,770.09 : 574,366.55 = 158,078.25 : x
  2. Step 2: Convert to fraction form
    382,770.09/574,366.55 = 158,078.25/x
  3. Step 3: Cross multiply
    382,770.09x = 574,366.55 × 158,078.25
  4. Step 4: Simplify right side
    382,770.09x = 90,794,858,292.15
  5. Step 5: Solve for x
    x = 90,794,858,292.15/382,770.09
  6. Step 6: Final answer
    x = 237,204.68

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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.