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Finding the Fourth Proportional to 557,242.20, 835,863.30 and 202,267.80

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Solution

The fourth proportional to 557,242.20, 835,863.30 and 202,267.80 is: 303,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,242.20 : 835,863.30 = 202,267.80 : x
  2. Step 2: Convert to fraction form
    557,242.20/835,863.30 = 202,267.80/x
  3. Step 3: Cross multiply
    557,242.20x = 835,863.30 × 202,267.80
  4. Step 4: Simplify right side
    557,242.20x = 169,068,230,791.74
  5. Step 5: Solve for x
    x = 169,068,230,791.74/557,242.20
  6. Step 6: Final answer
    x = 303,401.70

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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.