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Finding the Fourth Proportional to 377,527.54, 520,870.73 and 214,157.11

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Solution

The fourth proportional to 377,527.54, 520,870.73 and 214,157.11 is: 295,470.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,527.54 : 520,870.73 = 214,157.11 : x
  2. Step 2: Convert to fraction form
    377,527.54/520,870.73 = 214,157.11/x
  3. Step 3: Cross multiply
    377,527.54x = 520,870.73 × 214,157.11
  4. Step 4: Simplify right side
    377,527.54x = 111,548,170,755.78
  5. Step 5: Solve for x
    x = 111,548,170,755.78/377,527.54
  6. Step 6: Final answer
    x = 295,470.29

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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.