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Finding the Fourth Proportional to 342,319.44, 472,364.49 and 189,333.33

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Solution

The fourth proportional to 342,319.44, 472,364.49 and 189,333.33 is: 261,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,319.44 : 472,364.49 = 189,333.33 : x
  2. Step 2: Convert to fraction form
    342,319.44/472,364.49 = 189,333.33/x
  3. Step 3: Cross multiply
    342,319.44x = 472,364.49 × 189,333.33
  4. Step 4: Simplify right side
    342,319.44x = 89,434,341,865.45
  5. Step 5: Solve for x
    x = 89,434,341,865.45/342,319.44
  6. Step 6: Final answer
    x = 261,259.90

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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.