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Finding the Fourth Proportional to 483,685.14, 725,529.42 and 146,728.70

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Solution

The fourth proportional to 483,685.14, 725,529.42 and 146,728.70 is: 220,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,685.14 : 725,529.42 = 146,728.70 : x
  2. Step 2: Convert to fraction form
    483,685.14/725,529.42 = 146,728.70/x
  3. Step 3: Cross multiply
    483,685.14x = 725,529.42 × 146,728.70
  4. Step 4: Simplify right side
    483,685.14x = 106,455,984,980.71
  5. Step 5: Solve for x
    x = 106,455,984,980.71/483,685.14
  6. Step 6: Final answer
    x = 220,093.56

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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.