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Finding the Fourth Proportional to 377,522.42, 520,863.66 and 214,151.99

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Solution

The fourth proportional to 377,522.42, 520,863.66 and 214,151.99 is: 295,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,522.42 : 520,863.66 = 214,151.99 : x
  2. Step 2: Convert to fraction form
    377,522.42/520,863.66 = 214,151.99/x
  3. Step 3: Cross multiply
    377,522.42x = 520,863.66 × 214,151.99
  4. Step 4: Simplify right side
    377,522.42x = 111,543,986,703.37
  5. Step 5: Solve for x
    x = 111,543,986,703.37/377,522.42
  6. Step 6: Final answer
    x = 295,463.22

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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.