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Finding the Fourth Proportional to 483,510.43, 667,204.28 and 265,707.65

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Solution

The fourth proportional to 483,510.43, 667,204.28 and 265,707.65 is: 366,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,510.43 : 667,204.28 = 265,707.65 : x
  2. Step 2: Convert to fraction form
    483,510.43/667,204.28 = 265,707.65/x
  3. Step 3: Cross multiply
    483,510.43x = 667,204.28 × 265,707.65
  4. Step 4: Simplify right side
    483,510.43x = 177,281,277,972.72
  5. Step 5: Solve for x
    x = 177,281,277,972.72/483,510.43
  6. Step 6: Final answer
    x = 366,654.51

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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.