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Finding the Fourth Proportional to 525,866.94, 726,922.27 and 469,069.17

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Solution

The fourth proportional to 525,866.94, 726,922.27 and 469,069.17 is: 648,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,866.94 : 726,922.27 = 469,069.17 : x
  2. Step 2: Convert to fraction form
    525,866.94/726,922.27 = 469,069.17/x
  3. Step 3: Cross multiply
    525,866.94x = 726,922.27 × 469,069.17
  4. Step 4: Simplify right side
    525,866.94x = 340,976,825,843.42
  5. Step 5: Solve for x
    x = 340,976,825,843.42/525,866.94
  6. Step 6: Final answer
    x = 648,408.94

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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.