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Finding the Fourth Proportional to 493,613.16, 740,419.74 and 119,636.16

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Solution

The fourth proportional to 493,613.16, 740,419.74 and 119,636.16 is: 179,454.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,613.16 : 740,419.74 = 119,636.16 : x
  2. Step 2: Convert to fraction form
    493,613.16/740,419.74 = 119,636.16/x
  3. Step 3: Cross multiply
    493,613.16x = 740,419.74 × 119,636.16
  4. Step 4: Simplify right side
    493,613.16x = 88,580,974,481.80
  5. Step 5: Solve for x
    x = 88,580,974,481.80/493,613.16
  6. Step 6: Final answer
    x = 179,454.24

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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.