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Finding the Fourth Proportional to 463,880.20, 695,838.70 and 220,662.87

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Solution

The fourth proportional to 463,880.20, 695,838.70 and 220,662.87 is: 331,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,880.20 : 695,838.70 = 220,662.87 : x
  2. Step 2: Convert to fraction form
    463,880.20/695,838.70 = 220,662.87/x
  3. Step 3: Cross multiply
    463,880.20x = 695,838.70 × 220,662.87
  4. Step 4: Simplify right side
    463,880.20x = 153,545,761,119.88
  5. Step 5: Solve for x
    x = 153,545,761,119.88/463,880.20
  6. Step 6: Final answer
    x = 331,003.05

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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.