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Finding the Fourth Proportional to 481,285.87, 664,174.64 and 266,425.94

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Solution

The fourth proportional to 481,285.87, 664,174.64 and 266,425.94 is: 367,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,285.87 : 664,174.64 = 266,425.94 : x
  2. Step 2: Convert to fraction form
    481,285.87/664,174.64 = 266,425.94/x
  3. Step 3: Cross multiply
    481,285.87x = 664,174.64 × 266,425.94
  4. Step 4: Simplify right side
    481,285.87x = 176,953,350,746.76
  5. Step 5: Solve for x
    x = 176,953,350,746.76/481,285.87
  6. Step 6: Final answer
    x = 367,667.87

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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.