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Finding the Fourth Proportional to 501,893.38, 752,175.56 and 368,147.40

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Solution

The fourth proportional to 501,893.38, 752,175.56 and 368,147.40 is: 551,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,893.38 : 752,175.56 = 368,147.40 : x
  2. Step 2: Convert to fraction form
    501,893.38/752,175.56 = 368,147.40/x
  3. Step 3: Cross multiply
    501,893.38x = 752,175.56 × 368,147.40
  4. Step 4: Simplify right side
    501,893.38x = 276,911,476,757.54
  5. Step 5: Solve for x
    x = 276,911,476,757.54/501,893.38
  6. Step 6: Final answer
    x = 551,733.67

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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.