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Finding the Fourth Proportional to 483,121.46, 724,301.04 and 305,253.56

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Solution

The fourth proportional to 483,121.46, 724,301.04 and 305,253.56 is: 457,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,121.46 : 724,301.04 = 305,253.56 : x
  2. Step 2: Convert to fraction form
    483,121.46/724,301.04 = 305,253.56/x
  3. Step 3: Cross multiply
    483,121.46x = 724,301.04 × 305,253.56
  4. Step 4: Simplify right side
    483,121.46x = 221,095,470,971.70
  5. Step 5: Solve for x
    x = 221,095,470,971.70/483,121.46
  6. Step 6: Final answer
    x = 457,639.52

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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.