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Finding the Fourth Proportional to 493,366.50, 740,166.76 and 160,942.50

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Solution

The fourth proportional to 493,366.50, 740,166.76 and 160,942.50 is: 241,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,366.50 : 740,166.76 = 160,942.50 : x
  2. Step 2: Convert to fraction form
    493,366.50/740,166.76 = 160,942.50/x
  3. Step 3: Cross multiply
    493,366.50x = 740,166.76 × 160,942.50
  4. Step 4: Simplify right side
    493,366.50x = 119,124,288,771.30
  5. Step 5: Solve for x
    x = 119,124,288,771.30/493,366.50
  6. Step 6: Final answer
    x = 241,451.92

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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.