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Finding the Fourth Proportional to 377,622.72, 566,239.30 and 111,348.64

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Solution

The fourth proportional to 377,622.72, 566,239.30 and 111,348.64 is: 166,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,622.72 : 566,239.30 = 111,348.64 : x
  2. Step 2: Convert to fraction form
    377,622.72/566,239.30 = 111,348.64/x
  3. Step 3: Cross multiply
    377,622.72x = 566,239.30 × 111,348.64
  4. Step 4: Simplify right side
    377,622.72x = 63,049,975,969.55
  5. Step 5: Solve for x
    x = 63,049,975,969.55/377,622.72
  6. Step 6: Final answer
    x = 166,965.53

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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.