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Finding the Fourth Proportional to 468,960.87, 647,173.43 and 262,252.45

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Solution

The fourth proportional to 468,960.87, 647,173.43 and 262,252.45 is: 361,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,960.87 : 647,173.43 = 262,252.45 : x
  2. Step 2: Convert to fraction form
    468,960.87/647,173.43 = 262,252.45/x
  3. Step 3: Cross multiply
    468,960.87x = 647,173.43 × 262,252.45
  4. Step 4: Simplify right side
    468,960.87x = 169,722,817,592.40
  5. Step 5: Solve for x
    x = 169,722,817,592.40/468,960.87
  6. Step 6: Final answer
    x = 361,912.54

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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.