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Finding the Fourth Proportional to 483,132.70, 666,653.79 and 268,275.34

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Solution

The fourth proportional to 483,132.70, 666,653.79 and 268,275.34 is: 370,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,132.70 : 666,653.79 = 268,275.34 : x
  2. Step 2: Convert to fraction form
    483,132.70/666,653.79 = 268,275.34/x
  3. Step 3: Cross multiply
    483,132.70x = 666,653.79 × 268,275.34
  4. Step 4: Simplify right side
    483,132.70x = 178,846,772,174.54
  5. Step 5: Solve for x
    x = 178,846,772,174.54/483,132.70
  6. Step 6: Final answer
    x = 370,181.47

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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.