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Finding the Fourth Proportional to 481,424.96, 664,358.40 and 266,560.32

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Solution

The fourth proportional to 481,424.96, 664,358.40 and 266,560.32 is: 367,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,424.96 : 664,358.40 = 266,560.32 : x
  2. Step 2: Convert to fraction form
    481,424.96/664,358.40 = 266,560.32/x
  3. Step 3: Cross multiply
    481,424.96x = 664,358.40 × 266,560.32
  4. Step 4: Simplify right side
    481,424.96x = 177,091,587,698.69
  5. Step 5: Solve for x
    x = 177,091,587,698.69/481,424.96
  6. Step 6: Final answer
    x = 367,848.79

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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.