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Finding the Fourth Proportional to 400,535.67, 600,801.98 and 163,878.27

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Solution

The fourth proportional to 400,535.67, 600,801.98 and 163,878.27 is: 245,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,535.67 : 600,801.98 = 163,878.27 : x
  2. Step 2: Convert to fraction form
    400,535.67/600,801.98 = 163,878.27/x
  3. Step 3: Cross multiply
    400,535.67x = 600,801.98 × 163,878.27
  4. Step 4: Simplify right side
    400,535.67x = 98,458,388,685.28
  5. Step 5: Solve for x
    x = 98,458,388,685.28/400,535.67
  6. Step 6: Final answer
    x = 245,816.78

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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.