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Finding the Fourth Proportional to 443,471.01, 665,250.05 and 119,255.09

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Solution

The fourth proportional to 443,471.01, 665,250.05 and 119,255.09 is: 178,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,471.01 : 665,250.05 = 119,255.09 : x
  2. Step 2: Convert to fraction form
    443,471.01/665,250.05 = 119,255.09/x
  3. Step 3: Cross multiply
    443,471.01x = 665,250.05 × 119,255.09
  4. Step 4: Simplify right side
    443,471.01x = 79,334,454,585.25
  5. Step 5: Solve for x
    x = 79,334,454,585.25/443,471.01
  6. Step 6: Final answer
    x = 178,894.34

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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.