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Finding the Fourth Proportional to 342,182.44, 472,214.83 and 189,230.92

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Solution

The fourth proportional to 342,182.44, 472,214.83 and 189,230.92 is: 261,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,182.44 : 472,214.83 = 189,230.92 : x
  2. Step 2: Convert to fraction form
    342,182.44/472,214.83 = 189,230.92/x
  3. Step 3: Cross multiply
    342,182.44x = 472,214.83 × 189,230.92
  4. Step 4: Simplify right side
    342,182.44x = 89,357,646,718.54
  5. Step 5: Solve for x
    x = 89,357,646,718.54/342,182.44
  6. Step 6: Final answer
    x = 261,140.36

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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.