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Finding the Fourth Proportional to 493,107.37, 739,693.86 and 173,220.35

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Solution

The fourth proportional to 493,107.37, 739,693.86 and 173,220.35 is: 259,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,107.37 : 739,693.86 = 173,220.35 : x
  2. Step 2: Convert to fraction form
    493,107.37/739,693.86 = 173,220.35/x
  3. Step 3: Cross multiply
    493,107.37x = 739,693.86 × 173,220.35
  4. Step 4: Simplify right side
    493,107.37x = 128,130,024,974.01
  5. Step 5: Solve for x
    x = 128,130,024,974.01/493,107.37
  6. Step 6: Final answer
    x = 259,842.04

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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.