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Finding the Fourth Proportional to 580,641.45, 870,737.54 and 225,608.73

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Solution

The fourth proportional to 580,641.45, 870,737.54 and 225,608.73 is: 338,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,641.45 : 870,737.54 = 225,608.73 : x
  2. Step 2: Convert to fraction form
    580,641.45/870,737.54 = 225,608.73/x
  3. Step 3: Cross multiply
    580,641.45x = 870,737.54 × 225,608.73
  4. Step 4: Simplify right side
    580,641.45x = 196,445,989,434.68
  5. Step 5: Solve for x
    x = 196,445,989,434.68/580,641.45
  6. Step 6: Final answer
    x = 338,325.81

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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.