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Finding the Fourth Proportional to 617,224.24, 925,938.96 and 212,400.28

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Solution

The fourth proportional to 617,224.24, 925,938.96 and 212,400.28 is: 318,635.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,224.24 : 925,938.96 = 212,400.28 : x
  2. Step 2: Convert to fraction form
    617,224.24/925,938.96 = 212,400.28/x
  3. Step 3: Cross multiply
    617,224.24x = 925,938.96 × 212,400.28
  4. Step 4: Simplify right side
    617,224.24x = 196,669,694,366.91
  5. Step 5: Solve for x
    x = 196,669,694,366.91/617,224.24
  6. Step 6: Final answer
    x = 318,635.73

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1.5x scale

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.