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Finding the Fourth Proportional to 342,427, 472,550.88 and 191,524

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Solution

The fourth proportional to 342,427, 472,550.88 and 191,524 is: 264,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,427 : 472,550.88 = 191,524 : x
  2. Step 2: Convert to fraction form
    342,427/472,550.88 = 191,524/x
  3. Step 3: Cross multiply
    342,427x = 472,550.88 × 191,524
  4. Step 4: Simplify right side
    342,427x = 90,504,834,741.12
  5. Step 5: Solve for x
    x = 90,504,834,741.12/342,427
  6. Step 6: Final answer
    x = 264,304.03

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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.