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Finding the Fourth Proportional to 303,251.43, 455,156.45 and 153,595.92

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Solution

The fourth proportional to 303,251.43, 455,156.45 and 153,595.92 is: 230,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,251.43 : 455,156.45 = 153,595.92 : x
  2. Step 2: Convert to fraction form
    303,251.43/455,156.45 = 153,595.92/x
  3. Step 3: Cross multiply
    303,251.43x = 455,156.45 × 153,595.92
  4. Step 4: Simplify right side
    303,251.43x = 69,910,172,913.70
  5. Step 5: Solve for x
    x = 69,910,172,913.70/303,251.43
  6. Step 6: Final answer
    x = 230,535.34

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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.