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Finding the Fourth Proportional to 481,395.52, 664,346.57 and 266,535.58

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Solution

The fourth proportional to 481,395.52, 664,346.57 and 266,535.58 is: 367,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,395.52 : 664,346.57 = 266,535.58 : x
  2. Step 2: Convert to fraction form
    481,395.52/664,346.57 = 266,535.58/x
  3. Step 3: Cross multiply
    481,395.52x = 664,346.57 × 266,535.58
  4. Step 4: Simplify right side
    481,395.52x = 177,071,997,361.43
  5. Step 5: Solve for x
    x = 177,071,997,361.43/481,395.52
  6. Step 6: Final answer
    x = 367,830.59

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1.5x scale

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.