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Finding the Fourth Proportional to 523,611.07, 722,586.17 and 294,178.03

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Solution

The fourth proportional to 523,611.07, 722,586.17 and 294,178.03 is: 405,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,611.07 : 722,586.17 = 294,178.03 : x
  2. Step 2: Convert to fraction form
    523,611.07/722,586.17 = 294,178.03/x
  3. Step 3: Cross multiply
    523,611.07x = 722,586.17 × 294,178.03
  4. Step 4: Simplify right side
    523,611.07x = 212,568,972,382.91
  5. Step 5: Solve for x
    x = 212,568,972,382.91/523,611.07
  6. Step 6: Final answer
    x = 405,967.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.