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Finding the Fourth Proportional to 483,173.44, 724,801.28 and 146,216.96

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Solution

The fourth proportional to 483,173.44, 724,801.28 and 146,216.96 is: 219,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,173.44 : 724,801.28 = 146,216.96 : x
  2. Step 2: Convert to fraction form
    483,173.44/724,801.28 = 146,216.96/x
  3. Step 3: Cross multiply
    483,173.44x = 724,801.28 × 146,216.96
  4. Step 4: Simplify right side
    483,173.44x = 105,978,239,765.71
  5. Step 5: Solve for x
    x = 105,978,239,765.71/483,173.44
  6. Step 6: Final answer
    x = 219,337.88

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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.