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Finding the Fourth Proportional to 374,699.40, 562,078.44 and 108,463.92

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Solution

The fourth proportional to 374,699.40, 562,078.44 and 108,463.92 is: 162,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,699.40 : 562,078.44 = 108,463.92 : x
  2. Step 2: Convert to fraction form
    374,699.40/562,078.44 = 108,463.92/x
  3. Step 3: Cross multiply
    374,699.40x = 562,078.44 × 108,463.92
  4. Step 4: Simplify right side
    374,699.40x = 60,965,230,949.88
  5. Step 5: Solve for x
    x = 60,965,230,949.88/374,699.40
  6. Step 6: Final answer
    x = 162,704.37

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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.