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Finding the Fourth Proportional to 641,069.86, 961,825.92 and 241,824.91

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Solution

The fourth proportional to 641,069.86, 961,825.92 and 241,824.91 is: 362,820.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,069.86 : 961,825.92 = 241,824.91 : x
  2. Step 2: Convert to fraction form
    641,069.86/961,825.92 = 241,824.91/x
  3. Step 3: Cross multiply
    641,069.86x = 961,825.92 × 241,824.91
  4. Step 4: Simplify right side
    641,069.86x = 232,593,466,539.67
  5. Step 5: Solve for x
    x = 232,593,466,539.67/641,069.86
  6. Step 6: Final answer
    x = 362,820.78

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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.