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Finding the Fourth Proportional to 483,997.47, 667,932.71 and 266,215.36

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Solution

The fourth proportional to 483,997.47, 667,932.71 and 266,215.36 is: 367,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,997.47 : 667,932.71 = 266,215.36 : x
  2. Step 2: Convert to fraction form
    483,997.47/667,932.71 = 266,215.36/x
  3. Step 3: Cross multiply
    483,997.47x = 667,932.71 × 266,215.36
  4. Step 4: Simplify right side
    483,997.47x = 177,813,946,848.43
  5. Step 5: Solve for x
    x = 177,813,946,848.43/483,997.47
  6. Step 6: Final answer
    x = 367,386.11

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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.