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Finding the Fourth Proportional to 366,905.80, 550,358.70 and 167,615.43

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Solution

The fourth proportional to 366,905.80, 550,358.70 and 167,615.43 is: 251,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,905.80 : 550,358.70 = 167,615.43 : x
  2. Step 2: Convert to fraction form
    366,905.80/550,358.70 = 167,615.43/x
  3. Step 3: Cross multiply
    366,905.80x = 550,358.70 × 167,615.43
  4. Step 4: Simplify right side
    366,905.80x = 92,248,610,154.74
  5. Step 5: Solve for x
    x = 92,248,610,154.74/366,905.80
  6. Step 6: Final answer
    x = 251,423.15

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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.