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Finding the Fourth Proportional to 377,290.59, 520,876.22 and 250,138.41

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Solution

The fourth proportional to 377,290.59, 520,876.22 and 250,138.41 is: 345,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,290.59 : 520,876.22 = 250,138.41 : x
  2. Step 2: Convert to fraction form
    377,290.59/520,876.22 = 250,138.41/x
  3. Step 3: Cross multiply
    377,290.59x = 520,876.22 × 250,138.41
  4. Step 4: Simplify right side
    377,290.59x = 130,291,148,226.92
  5. Step 5: Solve for x
    x = 130,291,148,226.92/377,290.59
  6. Step 6: Final answer
    x = 345,333.68

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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.