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Finding the Fourth Proportional to 342,972.88, 472,884.36 and 252,052

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Solution

The fourth proportional to 342,972.88, 472,884.36 and 252,052 is: 347,524.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,972.88 : 472,884.36 = 252,052 : x
  2. Step 2: Convert to fraction form
    342,972.88/472,884.36 = 252,052/x
  3. Step 3: Cross multiply
    342,972.88x = 472,884.36 × 252,052
  4. Step 4: Simplify right side
    342,972.88x = 119,191,448,706.72
  5. Step 5: Solve for x
    x = 119,191,448,706.72/342,972.88
  6. Step 6: Final answer
    x = 347,524.41

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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.