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Finding the Fourth Proportional to 483,869.28, 725,832.17 and 146,920.93

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Solution

The fourth proportional to 483,869.28, 725,832.17 and 146,920.93 is: 220,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,869.28 : 725,832.17 = 146,920.93 : x
  2. Step 2: Convert to fraction form
    483,869.28/725,832.17 = 146,920.93/x
  3. Step 3: Cross multiply
    483,869.28x = 725,832.17 × 146,920.93
  4. Step 4: Simplify right side
    483,869.28x = 106,639,937,440.32
  5. Step 5: Solve for x
    x = 106,639,937,440.32/483,869.28
  6. Step 6: Final answer
    x = 220,389.97

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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.