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Finding the Fourth Proportional to 347,389.56, 521,333.42 and 147,850.11

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Solution

The fourth proportional to 347,389.56, 521,333.42 and 147,850.11 is: 221,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,389.56 : 521,333.42 = 147,850.11 : x
  2. Step 2: Convert to fraction form
    347,389.56/521,333.42 = 147,850.11/x
  3. Step 3: Cross multiply
    347,389.56x = 521,333.42 × 147,850.11
  4. Step 4: Simplify right side
    347,389.56x = 77,079,202,754.43
  5. Step 5: Solve for x
    x = 77,079,202,754.43/347,389.56
  6. Step 6: Final answer
    x = 221,881.17

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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.