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Finding the Fourth Proportional to 379,593.76, 569,593.64 and 246,442.72

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Solution

The fourth proportional to 379,593.76, 569,593.64 and 246,442.72 is: 369,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,593.76 : 569,593.64 = 246,442.72 : x
  2. Step 2: Convert to fraction form
    379,593.76/569,593.64 = 246,442.72/x
  3. Step 3: Cross multiply
    379,593.76x = 569,593.64 × 246,442.72
  4. Step 4: Simplify right side
    379,593.76x = 140,372,205,936.30
  5. Step 5: Solve for x
    x = 140,372,205,936.30/379,593.76
  6. Step 6: Final answer
    x = 369,795.87

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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.