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Finding the Fourth Proportional to 491,903.48, 737,233.57 and 263,631.83

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Solution

The fourth proportional to 491,903.48, 737,233.57 and 263,631.83 is: 395,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,903.48 : 737,233.57 = 263,631.83 : x
  2. Step 2: Convert to fraction form
    491,903.48/737,233.57 = 263,631.83/x
  3. Step 3: Cross multiply
    491,903.48x = 737,233.57 × 263,631.83
  4. Step 4: Simplify right side
    491,903.48x = 194,358,235,196.53
  5. Step 5: Solve for x
    x = 194,358,235,196.53/491,903.48
  6. Step 6: Final answer
    x = 395,114.58

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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.