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Finding the Fourth Proportional to 525,694.40, 787,634.40 and 244,635.20

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Solution

The fourth proportional to 525,694.40, 787,634.40 and 244,635.20 is: 366,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,694.40 : 787,634.40 = 244,635.20 : x
  2. Step 2: Convert to fraction form
    525,694.40/787,634.40 = 244,635.20/x
  3. Step 3: Cross multiply
    525,694.40x = 787,634.40 × 244,635.20
  4. Step 4: Simplify right side
    525,694.40x = 192,683,098,970.88
  5. Step 5: Solve for x
    x = 192,683,098,970.88/525,694.40
  6. Step 6: Final answer
    x = 366,530.63

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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.