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Finding the Fourth Proportional to 483,759.68, 725,643.91 and 146,800.34

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Solution

The fourth proportional to 483,759.68, 725,643.91 and 146,800.34 is: 220,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,759.68 : 725,643.91 = 146,800.34 : x
  2. Step 2: Convert to fraction form
    483,759.68/725,643.91 = 146,800.34/x
  3. Step 3: Cross multiply
    483,759.68x = 725,643.91 × 146,800.34
  4. Step 4: Simplify right side
    483,759.68x = 106,524,771,983.38
  5. Step 5: Solve for x
    x = 106,524,771,983.38/483,759.68
  6. Step 6: Final answer
    x = 220,201.84

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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.