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Finding the Fourth Proportional to 451,104.60, 622,590.66 and 260,080.68

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Solution

The fourth proportional to 451,104.60, 622,590.66 and 260,080.68 is: 358,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,104.60 : 622,590.66 = 260,080.68 : x
  2. Step 2: Convert to fraction form
    451,104.60/622,590.66 = 260,080.68/x
  3. Step 3: Cross multiply
    451,104.60x = 622,590.66 × 260,080.68
  4. Step 4: Simplify right side
    451,104.60x = 161,923,802,214.45
  5. Step 5: Solve for x
    x = 161,923,802,214.45/451,104.60
  6. Step 6: Final answer
    x = 358,949.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.