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Finding the Fourth Proportional to 418,683.73, 577,787.97 and 227,697.07

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Solution

The fourth proportional to 418,683.73, 577,787.97 and 227,697.07 is: 314,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,683.73 : 577,787.97 = 227,697.07 : x
  2. Step 2: Convert to fraction form
    418,683.73/577,787.97 = 227,697.07/x
  3. Step 3: Cross multiply
    418,683.73x = 577,787.97 × 227,697.07
  4. Step 4: Simplify right side
    418,683.73x = 131,560,627,850.25
  5. Step 5: Solve for x
    x = 131,560,627,850.25/418,683.73
  6. Step 6: Final answer
    x = 314,224.36

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1.5x scale

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.