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Finding the Fourth Proportional to 950,121, 1,311,192.52 and 536,624.64

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Solution

The fourth proportional to 950,121, 1,311,192.52 and 536,624.64 is: 740,556.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,121 : 1,311,192.52 = 536,624.64 : x
  2. Step 2: Convert to fraction form
    950,121/1,311,192.52 = 536,624.64/x
  3. Step 3: Cross multiply
    950,121x = 1,311,192.52 × 536,624.64
  4. Step 4: Simplify right side
    950,121x = 703,618,214,015.69
  5. Step 5: Solve for x
    x = 703,618,214,015.69/950,121
  6. Step 6: Final answer
    x = 740,556.43

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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.