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Finding the Fourth Proportional to 404,330.60, 606,714.60 and 167,697.20

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Solution

The fourth proportional to 404,330.60, 606,714.60 and 167,697.20 is: 251,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,330.60 : 606,714.60 = 167,697.20 : x
  2. Step 2: Convert to fraction form
    404,330.60/606,714.60 = 167,697.20/x
  3. Step 3: Cross multiply
    404,330.60x = 606,714.60 × 167,697.20
  4. Step 4: Simplify right side
    404,330.60x = 101,744,339,619.12
  5. Step 5: Solve for x
    x = 101,744,339,619.12/404,330.60
  6. Step 6: Final answer
    x = 251,636.51

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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.