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Finding the Fourth Proportional to 467,017.26, 644,499.66 and 276,194.22

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Solution

The fourth proportional to 467,017.26, 644,499.66 and 276,194.22 is: 381,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,017.26 : 644,499.66 = 276,194.22 : x
  2. Step 2: Convert to fraction form
    467,017.26/644,499.66 = 276,194.22/x
  3. Step 3: Cross multiply
    467,017.26x = 644,499.66 × 276,194.22
  4. Step 4: Simplify right side
    467,017.26x = 178,007,080,883.97
  5. Step 5: Solve for x
    x = 178,007,080,883.97/467,017.26
  6. Step 6: Final answer
    x = 381,157.39

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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.