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Finding the Fourth Proportional to 342,100.85, 472,097.99 and 191,197.85

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Solution

The fourth proportional to 342,100.85, 472,097.99 and 191,197.85 is: 263,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,100.85 : 472,097.99 = 191,197.85 : x
  2. Step 2: Convert to fraction form
    342,100.85/472,097.99 = 191,197.85/x
  3. Step 3: Cross multiply
    342,100.85x = 472,097.99 × 191,197.85
  4. Step 4: Simplify right side
    342,100.85x = 90,264,117,360.84
  5. Step 5: Solve for x
    x = 90,264,117,360.84/342,100.85
  6. Step 6: Final answer
    x = 263,852.37

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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.