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Finding the Fourth Proportional to 373,577.42, 515,515.83 and 212,471.66

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Solution

The fourth proportional to 373,577.42, 515,515.83 and 212,471.66 is: 293,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,577.42 : 515,515.83 = 212,471.66 : x
  2. Step 2: Convert to fraction form
    373,577.42/515,515.83 = 212,471.66/x
  3. Step 3: Cross multiply
    373,577.42x = 515,515.83 × 212,471.66
  4. Step 4: Simplify right side
    373,577.42x = 109,532,501,578.80
  5. Step 5: Solve for x
    x = 109,532,501,578.80/373,577.42
  6. Step 6: Final answer
    x = 293,198.94

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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.