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Finding the Fourth Proportional to 525,910.40, 787,958.40 and 244,851.20

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Solution

The fourth proportional to 525,910.40, 787,958.40 and 244,851.20 is: 366,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,910.40 : 787,958.40 = 244,851.20 : x
  2. Step 2: Convert to fraction form
    525,910.40/787,958.40 = 244,851.20/x
  3. Step 3: Cross multiply
    525,910.40x = 787,958.40 × 244,851.20
  4. Step 4: Simplify right side
    525,910.40x = 192,932,559,790.08
  5. Step 5: Solve for x
    x = 192,932,559,790.08/525,910.40
  6. Step 6: Final answer
    x = 366,854.43

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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.