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Finding the Fourth Proportional to 379,483.38, 523,697.92 and 207,410.94

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Solution

The fourth proportional to 379,483.38, 523,697.92 and 207,410.94 is: 286,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,483.38 : 523,697.92 = 207,410.94 : x
  2. Step 2: Convert to fraction form
    379,483.38/523,697.92 = 207,410.94/x
  3. Step 3: Cross multiply
    379,483.38x = 523,697.92 × 207,410.94
  4. Step 4: Simplify right side
    379,483.38x = 108,620,677,863.25
  5. Step 5: Solve for x
    x = 108,620,677,863.25/379,483.38
  6. Step 6: Final answer
    x = 286,233.03

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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.