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Finding the Fourth Proportional to 609,344.73, 840,894.23 and 351,219.57

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Solution

The fourth proportional to 609,344.73, 840,894.23 and 351,219.57 is: 484,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,344.73 : 840,894.23 = 351,219.57 : x
  2. Step 2: Convert to fraction form
    609,344.73/840,894.23 = 351,219.57/x
  3. Step 3: Cross multiply
    609,344.73x = 840,894.23 × 351,219.57
  4. Step 4: Simplify right side
    609,344.73x = 295,338,508,119.98
  5. Step 5: Solve for x
    x = 295,338,508,119.98/609,344.73
  6. Step 6: Final answer
    x = 484,682.14

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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.