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Finding the Fourth Proportional to 531,100.74, 796,730.22 and 189,517.53

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Solution

The fourth proportional to 531,100.74, 796,730.22 and 189,517.53 is: 284,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,100.74 : 796,730.22 = 189,517.53 : x
  2. Step 2: Convert to fraction form
    531,100.74/796,730.22 = 189,517.53/x
  3. Step 3: Cross multiply
    531,100.74x = 796,730.22 × 189,517.53
  4. Step 4: Simplify right side
    531,100.74x = 150,994,343,370.76
  5. Step 5: Solve for x
    x = 150,994,343,370.76/531,100.74
  6. Step 6: Final answer
    x = 284,304.52

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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.