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Finding the Fourth Proportional to 294,637.86, 406,611.96 and 167,325.30

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Solution

The fourth proportional to 294,637.86, 406,611.96 and 167,325.30 is: 230,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,637.86 : 406,611.96 = 167,325.30 : x
  2. Step 2: Convert to fraction form
    294,637.86/406,611.96 = 167,325.30/x
  3. Step 3: Cross multiply
    294,637.86x = 406,611.96 × 167,325.30
  4. Step 4: Simplify right side
    294,637.86x = 68,036,468,190.59
  5. Step 5: Solve for x
    x = 68,036,468,190.59/294,637.86
  6. Step 6: Final answer
    x = 230,915.57

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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.