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Finding the Fourth Proportional to 342,222.33, 472,269.78 and 191,319.33

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Solution

The fourth proportional to 342,222.33, 472,269.78 and 191,319.33 is: 264,022.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,222.33 : 472,269.78 = 191,319.33 : x
  2. Step 2: Convert to fraction form
    342,222.33/472,269.78 = 191,319.33/x
  3. Step 3: Cross multiply
    342,222.33x = 472,269.78 × 191,319.33
  4. Step 4: Simplify right side
    342,222.33x = 90,354,337,888.85
  5. Step 5: Solve for x
    x = 90,354,337,888.85/342,222.33
  6. Step 6: Final answer
    x = 264,022.33

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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.