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Finding the Fourth Proportional to 342,478.52, 472,622.04 and 191,575.52

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Solution

The fourth proportional to 342,478.52, 472,622.04 and 191,575.52 is: 264,375.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,478.52 : 472,622.04 = 191,575.52 : x
  2. Step 2: Convert to fraction form
    342,478.52/472,622.04 = 191,575.52/x
  3. Step 3: Cross multiply
    342,478.52x = 472,622.04 × 191,575.52
  4. Step 4: Simplify right side
    342,478.52x = 90,542,813,076.46
  5. Step 5: Solve for x
    x = 90,542,813,076.46/342,478.52
  6. Step 6: Final answer
    x = 264,375.16

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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.