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Finding the Fourth Proportional to 481,035.64, 663,801.50 and 266,164.90

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Solution

The fourth proportional to 481,035.64, 663,801.50 and 266,164.90 is: 367,292.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,035.64 : 663,801.50 = 266,164.90 : x
  2. Step 2: Convert to fraction form
    481,035.64/663,801.50 = 266,164.90/x
  3. Step 3: Cross multiply
    481,035.64x = 663,801.50 × 266,164.90
  4. Step 4: Simplify right side
    481,035.64x = 176,680,659,867.35
  5. Step 5: Solve for x
    x = 176,680,659,867.35/481,035.64
  6. Step 6: Final answer
    x = 367,292.24

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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.