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Finding the Fourth Proportional to 609,222.24, 840,616.74 and 351,052.56

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Solution

The fourth proportional to 609,222.24, 840,616.74 and 351,052.56 is: 484,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,222.24 : 840,616.74 = 351,052.56 : x
  2. Step 2: Convert to fraction form
    609,222.24/840,616.74 = 351,052.56/x
  3. Step 3: Cross multiply
    609,222.24x = 840,616.74 × 351,052.56
  4. Step 4: Simplify right side
    609,222.24x = 295,100,658,555.85
  5. Step 5: Solve for x
    x = 295,100,658,555.85/609,222.24
  6. Step 6: Final answer
    x = 484,389.18

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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.