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Finding the Fourth Proportional to 400,605.62, 600,906.58 and 163,948.33

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Solution

The fourth proportional to 400,605.62, 600,906.58 and 163,948.33 is: 245,921.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,605.62 : 600,906.58 = 163,948.33 : x
  2. Step 2: Convert to fraction form
    400,605.62/600,906.58 = 163,948.33/x
  3. Step 3: Cross multiply
    400,605.62x = 600,906.58 × 163,948.33
  4. Step 4: Simplify right side
    400,605.62x = 98,517,628,364.87
  5. Step 5: Solve for x
    x = 98,517,628,364.87/400,605.62
  6. Step 6: Final answer
    x = 245,921.73

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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.