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Finding the Fourth Proportional to 909,889.97, 1,363,797.12 and 568,490.37

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Solution

The fourth proportional to 909,889.97, 1,363,797.12 and 568,490.37 is: 852,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,889.97 : 1,363,797.12 = 568,490.37 : x
  2. Step 2: Convert to fraction form
    909,889.97/1,363,797.12 = 568,490.37/x
  3. Step 3: Cross multiply
    909,889.97x = 1,363,797.12 × 568,490.37
  4. Step 4: Simplify right side
    909,889.97x = 775,305,529,353.74
  5. Step 5: Solve for x
    x = 775,305,529,353.74/909,889.97
  6. Step 6: Final answer
    x = 852,087.13

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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.