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Finding the Fourth Proportional to 342,464.68, 472,601.83 and 189,509.32

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Solution

The fourth proportional to 342,464.68, 472,601.83 and 189,509.32 is: 261,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,464.68 : 472,601.83 = 189,509.32 : x
  2. Step 2: Convert to fraction form
    342,464.68/472,601.83 = 189,509.32/x
  3. Step 3: Cross multiply
    342,464.68x = 472,601.83 × 189,509.32
  4. Step 4: Simplify right side
    342,464.68x = 89,562,451,434.06
  5. Step 5: Solve for x
    x = 89,562,451,434.06/342,464.68
  6. Step 6: Final answer
    x = 261,523.18

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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.