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Finding the Fourth Proportional to 293,878.60, 440,963.70 and 167,615.80

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Solution

The fourth proportional to 293,878.60, 440,963.70 and 167,615.80 is: 251,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,878.60 : 440,963.70 = 167,615.80 : x
  2. Step 2: Convert to fraction form
    293,878.60/440,963.70 = 167,615.80/x
  3. Step 3: Cross multiply
    293,878.60x = 440,963.70 × 167,615.80
  4. Step 4: Simplify right side
    293,878.60x = 73,912,483,346.46
  5. Step 5: Solve for x
    x = 73,912,483,346.46/293,878.60
  6. Step 6: Final answer
    x = 251,506.86

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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.