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Finding the Fourth Proportional to 491,805.90, 737,708.85 and 491,805.90

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Solution

The fourth proportional to 491,805.90, 737,708.85 and 491,805.90 is: 737,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,805.90 : 737,708.85 = 491,805.90 : x
  2. Step 2: Convert to fraction form
    491,805.90/737,708.85 = 491,805.90/x
  3. Step 3: Cross multiply
    491,805.90x = 737,708.85 × 491,805.90
  4. Step 4: Simplify right side
    491,805.90x = 362,809,564,912.22
  5. Step 5: Solve for x
    x = 362,809,564,912.22/491,805.90
  6. Step 6: Final answer
    x = 737,708.85

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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.