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Finding the Fourth Proportional to 303,901.28, 455,857.78 and 93,539

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Solution

The fourth proportional to 303,901.28, 455,857.78 and 93,539 is: 140,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,901.28 : 455,857.78 = 93,539 : x
  2. Step 2: Convert to fraction form
    303,901.28/455,857.78 = 93,539/x
  3. Step 3: Cross multiply
    303,901.28x = 455,857.78 × 93,539
  4. Step 4: Simplify right side
    303,901.28x = 42,640,480,883.42
  5. Step 5: Solve for x
    x = 42,640,480,883.42/303,901.28
  6. Step 6: Final answer
    x = 140,310.30

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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.