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Finding the Fourth Proportional to 376,467.01, 519,524.87 and 223,535.74

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Solution

The fourth proportional to 376,467.01, 519,524.87 and 223,535.74 is: 308,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,467.01 : 519,524.87 = 223,535.74 : x
  2. Step 2: Convert to fraction form
    376,467.01/519,524.87 = 223,535.74/x
  3. Step 3: Cross multiply
    376,467.01x = 519,524.87 × 223,535.74
  4. Step 4: Simplify right side
    376,467.01x = 116,132,376,263.85
  5. Step 5: Solve for x
    x = 116,132,376,263.85/376,467.01
  6. Step 6: Final answer
    x = 308,479.56

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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.