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Finding the Fourth Proportional to 323,479.92, 446,441.76 and 196,155.12

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Solution

The fourth proportional to 323,479.92, 446,441.76 and 196,155.12 is: 270,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,479.92 : 446,441.76 = 196,155.12 : x
  2. Step 2: Convert to fraction form
    323,479.92/446,441.76 = 196,155.12/x
  3. Step 3: Cross multiply
    323,479.92x = 446,441.76 × 196,155.12
  4. Step 4: Simplify right side
    323,479.92x = 87,571,837,005.81
  5. Step 5: Solve for x
    x = 87,571,837,005.81/323,479.92
  6. Step 6: Final answer
    x = 270,718.00

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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.