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Finding the Fourth Proportional to 558,385.68, 770,578.24 and 303,737.52

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Solution

The fourth proportional to 558,385.68, 770,578.24 and 303,737.52 is: 419,161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,385.68 : 770,578.24 = 303,737.52 : x
  2. Step 2: Convert to fraction form
    558,385.68/770,578.24 = 303,737.52/x
  3. Step 3: Cross multiply
    558,385.68x = 770,578.24 × 303,737.52
  4. Step 4: Simplify right side
    558,385.68x = 234,053,523,583.57
  5. Step 5: Solve for x
    x = 234,053,523,583.57/558,385.68
  6. Step 6: Final answer
    x = 419,161.04

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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.