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Finding the Fourth Proportional to 580,292.78, 800,598.74 and 379,205.42

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Solution

The fourth proportional to 580,292.78, 800,598.74 and 379,205.42 is: 523,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,292.78 : 800,598.74 = 379,205.42 : x
  2. Step 2: Convert to fraction form
    580,292.78/800,598.74 = 379,205.42/x
  3. Step 3: Cross multiply
    580,292.78x = 800,598.74 × 379,205.42
  4. Step 4: Simplify right side
    580,292.78x = 303,591,381,453.17
  5. Step 5: Solve for x
    x = 303,591,381,453.17/580,292.78
  6. Step 6: Final answer
    x = 523,169.32

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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.