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Finding the Fourth Proportional to 493,634.52, 740,451.72 and 119,657.52

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Solution

The fourth proportional to 493,634.52, 740,451.72 and 119,657.52 is: 179,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,634.52 : 740,451.72 = 119,657.52 : x
  2. Step 2: Convert to fraction form
    493,634.52/740,451.72 = 119,657.52/x
  3. Step 3: Cross multiply
    493,634.52x = 740,451.72 × 119,657.52
  4. Step 4: Simplify right side
    493,634.52x = 88,600,616,494.93
  5. Step 5: Solve for x
    x = 88,600,616,494.93/493,634.52
  6. Step 6: Final answer
    x = 179,486.27

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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.