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Finding the Fourth Proportional to 481,562.47, 664,548.05 and 266,697.92

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Solution

The fourth proportional to 481,562.47, 664,548.05 and 266,697.92 is: 368,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,562.47 : 664,548.05 = 266,697.92 : x
  2. Step 2: Convert to fraction form
    481,562.47/664,548.05 = 266,697.92/x
  3. Step 3: Cross multiply
    481,562.47x = 664,548.05 × 266,697.92
  4. Step 4: Simplify right side
    481,562.47x = 177,233,585,003.17
  5. Step 5: Solve for x
    x = 177,233,585,003.17/481,562.47
  6. Step 6: Final answer
    x = 368,038.62

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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.