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Finding the Fourth Proportional to 342,113.35, 472,108.26 and 191,224.39

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Solution

The fourth proportional to 342,113.35, 472,108.26 and 191,224.39 is: 263,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,113.35 : 472,108.26 = 191,224.39 : x
  2. Step 2: Convert to fraction form
    342,113.35/472,108.26 = 191,224.39/x
  3. Step 3: Cross multiply
    342,113.35x = 472,108.26 × 191,224.39
  4. Step 4: Simplify right side
    342,113.35x = 90,278,611,671.92
  5. Step 5: Solve for x
    x = 90,278,611,671.92/342,113.35
  6. Step 6: Final answer
    x = 263,885.09

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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.