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Finding the Fourth Proportional to 454,438.49, 627,129.50 and 250,497.27

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Solution

The fourth proportional to 454,438.49, 627,129.50 and 250,497.27 is: 345,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,438.49 : 627,129.50 = 250,497.27 : x
  2. Step 2: Convert to fraction form
    454,438.49/627,129.50 = 250,497.27/x
  3. Step 3: Cross multiply
    454,438.49x = 627,129.50 × 250,497.27
  4. Step 4: Simplify right side
    454,438.49x = 157,094,226,433.98
  5. Step 5: Solve for x
    x = 157,094,226,433.98/454,438.49
  6. Step 6: Final answer
    x = 345,688.65

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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.