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Finding the Fourth Proportional to 580,076.16, 800,325.66 and 338,187.57

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Solution

The fourth proportional to 580,076.16, 800,325.66 and 338,187.57 is: 466,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,076.16 : 800,325.66 = 338,187.57 : x
  2. Step 2: Convert to fraction form
    580,076.16/800,325.66 = 338,187.57/x
  3. Step 3: Cross multiply
    580,076.16x = 800,325.66 × 338,187.57
  4. Step 4: Simplify right side
    580,076.16x = 270,660,190,164.05
  5. Step 5: Solve for x
    x = 270,660,190,164.05/580,076.16
  6. Step 6: Final answer
    x = 466,594.23

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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.