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Finding the Fourth Proportional to 253,881.92, 378,553.10 and 246,906.76

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Solution

The fourth proportional to 253,881.92, 378,553.10 and 246,906.76 is: 368,152.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,881.92 : 378,553.10 = 246,906.76 : x
  2. Step 2: Convert to fraction form
    253,881.92/378,553.10 = 246,906.76/x
  3. Step 3: Cross multiply
    253,881.92x = 378,553.10 × 246,906.76
  4. Step 4: Simplify right side
    253,881.92x = 93,467,319,408.96
  5. Step 5: Solve for x
    x = 93,467,319,408.96/253,881.92
  6. Step 6: Final answer
    x = 368,152.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.