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Finding the Fourth Proportional to 493,263.86, 739,613.18 and 151,618.31

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Solution

The fourth proportional to 493,263.86, 739,613.18 and 151,618.31 is: 227,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,263.86 : 739,613.18 = 151,618.31 : x
  2. Step 2: Convert to fraction form
    493,263.86/739,613.18 = 151,618.31/x
  3. Step 3: Cross multiply
    493,263.86x = 739,613.18 × 151,618.31
  4. Step 4: Simplify right side
    493,263.86x = 112,138,904,020.18
  5. Step 5: Solve for x
    x = 112,138,904,020.18/493,263.86
  6. Step 6: Final answer
    x = 227,340.60

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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.