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Finding the Fourth Proportional to 365,874.42, 548,242.70 and 253,773.66

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Solution

The fourth proportional to 365,874.42, 548,242.70 and 253,773.66 is: 380,265.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,874.42 : 548,242.70 = 253,773.66 : x
  2. Step 2: Convert to fraction form
    365,874.42/548,242.70 = 253,773.66/x
  3. Step 3: Cross multiply
    365,874.42x = 548,242.70 × 253,773.66
  4. Step 4: Simplify right side
    365,874.42x = 139,129,555,278.41
  5. Step 5: Solve for x
    x = 139,129,555,278.41/365,874.42
  6. Step 6: Final answer
    x = 380,265.87

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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.