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Finding the Fourth Proportional to 711,859.14, 982,824.09 and 635,246.49

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Solution

The fourth proportional to 711,859.14, 982,824.09 and 635,246.49 is: 877,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,859.14 : 982,824.09 = 635,246.49 : x
  2. Step 2: Convert to fraction form
    711,859.14/982,824.09 = 635,246.49/x
  3. Step 3: Cross multiply
    711,859.14x = 982,824.09 × 635,246.49
  4. Step 4: Simplify right side
    711,859.14x = 624,335,550,283.71
  5. Step 5: Solve for x
    x = 624,335,550,283.71/711,859.14
  6. Step 6: Final answer
    x = 877,049.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.