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Finding the Fourth Proportional to 438,797, 658,195.50 and 106,373

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Solution

The fourth proportional to 438,797, 658,195.50 and 106,373 is: 159,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,797 : 658,195.50 = 106,373 : x
  2. Step 2: Convert to fraction form
    438,797/658,195.50 = 106,373/x
  3. Step 3: Cross multiply
    438,797x = 658,195.50 × 106,373
  4. Step 4: Simplify right side
    438,797x = 70,014,229,921.50
  5. Step 5: Solve for x
    x = 70,014,229,921.50/438,797
  6. Step 6: Final answer
    x = 159,559.50

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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.