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Finding the Fourth Proportional to 493,650.08, 740,390.45 and 156,615.61

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Solution

The fourth proportional to 493,650.08, 740,390.45 and 156,615.61 is: 234,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,650.08 : 740,390.45 = 156,615.61 : x
  2. Step 2: Convert to fraction form
    493,650.08/740,390.45 = 156,615.61/x
  3. Step 3: Cross multiply
    493,650.08x = 740,390.45 × 156,615.61
  4. Step 4: Simplify right side
    493,650.08x = 115,956,699,330.87
  5. Step 5: Solve for x
    x = 115,956,699,330.87/493,650.08
  6. Step 6: Final answer
    x = 234,896.55

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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.