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Finding the Fourth Proportional to 344,598.30, 517,487.94 and 187,134.30

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Solution

The fourth proportional to 344,598.30, 517,487.94 and 187,134.30 is: 281,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,598.30 : 517,487.94 = 187,134.30 : x
  2. Step 2: Convert to fraction form
    344,598.30/517,487.94 = 187,134.30/x
  3. Step 3: Cross multiply
    344,598.30x = 517,487.94 × 187,134.30
  4. Step 4: Simplify right side
    344,598.30x = 96,839,743,410.34
  5. Step 5: Solve for x
    x = 96,839,743,410.34/344,598.30
  6. Step 6: Final answer
    x = 281,022.12

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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.