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Finding the Fourth Proportional to 400,928.79, 600,753.47 and 293,816.33

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Solution

The fourth proportional to 400,928.79, 600,753.47 and 293,816.33 is: 440,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,928.79 : 600,753.47 = 293,816.33 : x
  2. Step 2: Convert to fraction form
    400,928.79/600,753.47 = 293,816.33/x
  3. Step 3: Cross multiply
    400,928.79x = 600,753.47 × 293,816.33
  4. Step 4: Simplify right side
    400,928.79x = 176,511,175,317.32
  5. Step 5: Solve for x
    x = 176,511,175,317.32/400,928.79
  6. Step 6: Final answer
    x = 440,255.68

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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.