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Finding the Fourth Proportional to 665,716.80, 998,476.76 and 244,894.26

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Solution

The fourth proportional to 665,716.80, 998,476.76 and 244,894.26 is: 367,305.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,716.80 : 998,476.76 = 244,894.26 : x
  2. Step 2: Convert to fraction form
    665,716.80/998,476.76 = 244,894.26/x
  3. Step 3: Cross multiply
    665,716.80x = 998,476.76 × 244,894.26
  4. Step 4: Simplify right side
    665,716.80x = 244,521,227,267.40
  5. Step 5: Solve for x
    x = 244,521,227,267.40/665,716.80
  6. Step 6: Final answer
    x = 367,305.18

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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.