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Finding the Fourth Proportional to 443,206.42, 611,553.63 and 252,223

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Solution

The fourth proportional to 443,206.42, 611,553.63 and 252,223 is: 348,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,206.42 : 611,553.63 = 252,223 : x
  2. Step 2: Convert to fraction form
    443,206.42/611,553.63 = 252,223/x
  3. Step 3: Cross multiply
    443,206.42x = 611,553.63 × 252,223
  4. Step 4: Simplify right side
    443,206.42x = 154,247,891,219.49
  5. Step 5: Solve for x
    x = 154,247,891,219.49/443,206.42
  6. Step 6: Final answer
    x = 348,027.20

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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.