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Finding the Fourth Proportional to 374,506.14, 561,676.05 and 108,208.38

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Solution

The fourth proportional to 374,506.14, 561,676.05 and 108,208.38 is: 162,288.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,506.14 : 561,676.05 = 108,208.38 : x
  2. Step 2: Convert to fraction form
    374,506.14/561,676.05 = 108,208.38/x
  3. Step 3: Cross multiply
    374,506.14x = 561,676.05 × 108,208.38
  4. Step 4: Simplify right side
    374,506.14x = 60,778,055,455.30
  5. Step 5: Solve for x
    x = 60,778,055,455.30/374,506.14
  6. Step 6: Final answer
    x = 162,288.54

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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.