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Finding the Fourth Proportional to 377,679, 565,758.72 and 174,991.08

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Solution

The fourth proportional to 377,679, 565,758.72 and 174,991.08 is: 262,134.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,679 : 565,758.72 = 174,991.08 : x
  2. Step 2: Convert to fraction form
    377,679/565,758.72 = 174,991.08/x
  3. Step 3: Cross multiply
    377,679x = 565,758.72 × 174,991.08
  4. Step 4: Simplify right side
    377,679x = 99,002,729,432.22
  5. Step 5: Solve for x
    x = 99,002,729,432.22/377,679
  6. Step 6: Final answer
    x = 262,134.59

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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.