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Finding the Fourth Proportional to 425,164.20, 586,704.41 and 264,015.78

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Solution

The fourth proportional to 425,164.20, 586,704.41 and 264,015.78 is: 364,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,164.20 : 586,704.41 = 264,015.78 : x
  2. Step 2: Convert to fraction form
    425,164.20/586,704.41 = 264,015.78/x
  3. Step 3: Cross multiply
    425,164.20x = 586,704.41 × 264,015.78
  4. Step 4: Simplify right side
    425,164.20x = 154,899,222,435.59
  5. Step 5: Solve for x
    x = 154,899,222,435.59/425,164.20
  6. Step 6: Final answer
    x = 364,328.00

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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.