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Finding the Fourth Proportional to 356,884, 535,533.36 and 159,892

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Solution

The fourth proportional to 356,884, 535,533.36 and 159,892 is: 239,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,884 : 535,533.36 = 159,892 : x
  2. Step 2: Convert to fraction form
    356,884/535,533.36 = 159,892/x
  3. Step 3: Cross multiply
    356,884x = 535,533.36 × 159,892
  4. Step 4: Simplify right side
    356,884x = 85,627,499,997.12
  5. Step 5: Solve for x
    x = 85,627,499,997.12/356,884
  6. Step 6: Final answer
    x = 239,930.90

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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.