Home / 483,176.40-666,789.96-268,330.32

Finding the Fourth Proportional to 483,176.40, 666,789.96 and 268,330.32

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Solution

The fourth proportional to 483,176.40, 666,789.96 and 268,330.32 is: 370,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,176.40 : 666,789.96 = 268,330.32 : x
  2. Step 2: Convert to fraction form
    483,176.40/666,789.96 = 268,330.32/x
  3. Step 3: Cross multiply
    483,176.40x = 666,789.96 × 268,330.32
  4. Step 4: Simplify right side
    483,176.40x = 178,919,963,339.59
  5. Step 5: Solve for x
    x = 178,919,963,339.59/483,176.40
  6. Step 6: Final answer
    x = 370,299.47

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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.