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Finding the Fourth Proportional to 322,523.76, 483,722.46 and 306,521.04

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Solution

The fourth proportional to 322,523.76, 483,722.46 and 306,521.04 is: 459,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,523.76 : 483,722.46 = 306,521.04 : x
  2. Step 2: Convert to fraction form
    322,523.76/483,722.46 = 306,521.04/x
  3. Step 3: Cross multiply
    322,523.76x = 483,722.46 × 306,521.04
  4. Step 4: Simplify right side
    322,523.76x = 148,271,111,510.56
  5. Step 5: Solve for x
    x = 148,271,111,510.56/322,523.76
  6. Step 6: Final answer
    x = 459,721.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.