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Finding the Fourth Proportional to 614,500.88, 848,061.72 and 338,912.64

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Solution

The fourth proportional to 614,500.88, 848,061.72 and 338,912.64 is: 467,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,500.88 : 848,061.72 = 338,912.64 : x
  2. Step 2: Convert to fraction form
    614,500.88/848,061.72 = 338,912.64/x
  3. Step 3: Cross multiply
    614,500.88x = 848,061.72 × 338,912.64
  4. Step 4: Simplify right side
    614,500.88x = 287,418,836,408.14
  5. Step 5: Solve for x
    x = 287,418,836,408.14/614,500.88
  6. Step 6: Final answer
    x = 467,727.30

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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.