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Finding the Fourth Proportional to 493,038.87, 739,224.59 and 193,332.39

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Solution

The fourth proportional to 493,038.87, 739,224.59 and 193,332.39 is: 289,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,038.87 : 739,224.59 = 193,332.39 : x
  2. Step 2: Convert to fraction form
    493,038.87/739,224.59 = 193,332.39/x
  3. Step 3: Cross multiply
    493,038.87x = 739,224.59 × 193,332.39
  4. Step 4: Simplify right side
    493,038.87x = 142,916,058,096.20
  5. Step 5: Solve for x
    x = 142,916,058,096.20/493,038.87
  6. Step 6: Final answer
    x = 289,867.73

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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.