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Finding the Fourth Proportional to 351,996.39, 527,941.13 and 115,333.83

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Solution

The fourth proportional to 351,996.39, 527,941.13 and 115,333.83 is: 172,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,996.39 : 527,941.13 = 115,333.83 : x
  2. Step 2: Convert to fraction form
    351,996.39/527,941.13 = 115,333.83/x
  3. Step 3: Cross multiply
    351,996.39x = 527,941.13 × 115,333.83
  4. Step 4: Simplify right side
    351,996.39x = 60,889,471,960.76
  5. Step 5: Solve for x
    x = 60,889,471,960.76/351,996.39
  6. Step 6: Final answer
    x = 172,983.23

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1.5x scale

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.