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Finding the Fourth Proportional to 441,126, 661,465.44 and 188,367.12

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Solution

The fourth proportional to 441,126, 661,465.44 and 188,367.12 is: 282,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,126 : 661,465.44 = 188,367.12 : x
  2. Step 2: Convert to fraction form
    441,126/661,465.44 = 188,367.12/x
  3. Step 3: Cross multiply
    441,126x = 661,465.44 × 188,367.12
  4. Step 4: Simplify right side
    441,126x = 124,598,339,912.33
  5. Step 5: Solve for x
    x = 124,598,339,912.33/441,126
  6. Step 6: Final answer
    x = 282,455.22

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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.