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Finding the Fourth Proportional to 400,162.66, 600,022.41 and 163,671.42

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Solution

The fourth proportional to 400,162.66, 600,022.41 and 163,671.42 is: 245,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,162.66 : 600,022.41 = 163,671.42 : x
  2. Step 2: Convert to fraction form
    400,162.66/600,022.41 = 163,671.42/x
  3. Step 3: Cross multiply
    400,162.66x = 600,022.41 × 163,671.42
  4. Step 4: Simplify right side
    400,162.66x = 98,206,519,876.52
  5. Step 5: Solve for x
    x = 98,206,519,876.52/400,162.66
  6. Step 6: Final answer
    x = 245,416.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.