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Finding the Fourth Proportional to 293,429.40, 440,144.10 and 191,952.60

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Solution

The fourth proportional to 293,429.40, 440,144.10 and 191,952.60 is: 287,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,429.40 : 440,144.10 = 191,952.60 : x
  2. Step 2: Convert to fraction form
    293,429.40/440,144.10 = 191,952.60/x
  3. Step 3: Cross multiply
    293,429.40x = 440,144.10 × 191,952.60
  4. Step 4: Simplify right side
    293,429.40x = 84,486,804,369.66
  5. Step 5: Solve for x
    x = 84,486,804,369.66/293,429.40
  6. Step 6: Final answer
    x = 287,928.90

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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.