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Finding the Fourth Proportional to 835,469.32, 1,253,408.10 and 266,850.54

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Solution

The fourth proportional to 835,469.32, 1,253,408.10 and 266,850.54 is: 400,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,469.32 : 1,253,408.10 = 266,850.54 : x
  2. Step 2: Convert to fraction form
    835,469.32/1,253,408.10 = 266,850.54/x
  3. Step 3: Cross multiply
    835,469.32x = 1,253,408.10 × 266,850.54
  4. Step 4: Simplify right side
    835,469.32x = 334,472,628,325.37
  5. Step 5: Solve for x
    x = 334,472,628,325.37/835,469.32
  6. Step 6: Final answer
    x = 400,341.01

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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.