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Finding the Fourth Proportional to 481,342.80, 664,258.24 and 266,486.16

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Solution

The fourth proportional to 481,342.80, 664,258.24 and 266,486.16 is: 367,753.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,342.80 : 664,258.24 = 266,486.16 : x
  2. Step 2: Convert to fraction form
    481,342.80/664,258.24 = 266,486.16/x
  3. Step 3: Cross multiply
    481,342.80x = 664,258.24 × 266,486.16
  4. Step 4: Simplify right side
    481,342.80x = 177,015,627,625.96
  5. Step 5: Solve for x
    x = 177,015,627,625.96/481,342.80
  6. Step 6: Final answer
    x = 367,753.77

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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.