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Finding the Fourth Proportional to 491,310.40, 737,743.20 and 373,115.20

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Solution

The fourth proportional to 491,310.40, 737,743.20 and 373,115.20 is: 560,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,310.40 : 737,743.20 = 373,115.20 : x
  2. Step 2: Convert to fraction form
    491,310.40/737,743.20 = 373,115.20/x
  3. Step 3: Cross multiply
    491,310.40x = 737,743.20 × 373,115.20
  4. Step 4: Simplify right side
    491,310.40x = 275,263,201,616.64
  5. Step 5: Solve for x
    x = 275,263,201,616.64/491,310.40
  6. Step 6: Final answer
    x = 560,263.33

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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.