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Finding the Fourth Proportional to 491,366.34, 737,053.61 and 154,399.53

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Solution

The fourth proportional to 491,366.34, 737,053.61 and 154,399.53 is: 231,600.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,366.34 : 737,053.61 = 154,399.53 : x
  2. Step 2: Convert to fraction form
    491,366.34/737,053.61 = 154,399.53/x
  3. Step 3: Cross multiply
    491,366.34x = 737,053.61 × 154,399.53
  4. Step 4: Simplify right side
    491,366.34x = 113,800,731,354.80
  5. Step 5: Solve for x
    x = 113,800,731,354.80/491,366.34
  6. Step 6: Final answer
    x = 231,600.58

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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.