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Finding the Fourth Proportional to 407,638.67, 562,593.26 and 246,494.86

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Solution

The fourth proportional to 407,638.67, 562,593.26 and 246,494.86 is: 340,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,638.67 : 562,593.26 = 246,494.86 : x
  2. Step 2: Convert to fraction form
    407,638.67/562,593.26 = 246,494.86/x
  3. Step 3: Cross multiply
    407,638.67x = 562,593.26 × 246,494.86
  4. Step 4: Simplify right side
    407,638.67x = 138,676,346,070.40
  5. Step 5: Solve for x
    x = 138,676,346,070.40/407,638.67
  6. Step 6: Final answer
    x = 340,194.29

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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.