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Finding the Fourth Proportional to 483,904.59, 667,770.89 and 266,111.43

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Solution

The fourth proportional to 483,904.59, 667,770.89 and 266,111.43 is: 367,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,904.59 : 667,770.89 = 266,111.43 : x
  2. Step 2: Convert to fraction form
    483,904.59/667,770.89 = 266,111.43/x
  3. Step 3: Cross multiply
    483,904.59x = 667,770.89 × 266,111.43
  4. Step 4: Simplify right side
    483,904.59x = 177,701,465,119.72
  5. Step 5: Solve for x
    x = 177,701,465,119.72/483,904.59
  6. Step 6: Final answer
    x = 367,224.18

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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.