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Finding the Fourth Proportional to 437,219.06, 655,845.87 and 121,703.54

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Solution

The fourth proportional to 437,219.06, 655,845.87 and 121,703.54 is: 182,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,219.06 : 655,845.87 = 121,703.54 : x
  2. Step 2: Convert to fraction form
    437,219.06/655,845.87 = 121,703.54/x
  3. Step 3: Cross multiply
    437,219.06x = 655,845.87 × 121,703.54
  4. Step 4: Simplify right side
    437,219.06x = 79,818,764,073.38
  5. Step 5: Solve for x
    x = 79,818,764,073.38/437,219.06
  6. Step 6: Final answer
    x = 182,560.12

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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.