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Finding the Fourth Proportional to 580,640.95, 870,736.79 and 225,608.23

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Solution

The fourth proportional to 580,640.95, 870,736.79 and 225,608.23 is: 338,325.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,640.95 : 870,736.79 = 225,608.23 : x
  2. Step 2: Convert to fraction form
    580,640.95/870,736.79 = 225,608.23/x
  3. Step 3: Cross multiply
    580,640.95x = 870,736.79 × 225,608.23
  4. Step 4: Simplify right side
    580,640.95x = 196,445,384,859.74
  5. Step 5: Solve for x
    x = 196,445,384,859.74/580,640.95
  6. Step 6: Final answer
    x = 338,325.06

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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.