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Finding the Fourth Proportional to 344,008.70, 474,747.76 and 191,047.56

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Solution

The fourth proportional to 344,008.70, 474,747.76 and 191,047.56 is: 263,654.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,008.70 : 474,747.76 = 191,047.56 : x
  2. Step 2: Convert to fraction form
    344,008.70/474,747.76 = 191,047.56/x
  3. Step 3: Cross multiply
    344,008.70x = 474,747.76 × 191,047.56
  4. Step 4: Simplify right side
    344,008.70x = 90,699,401,755.11
  5. Step 5: Solve for x
    x = 90,699,401,755.11/344,008.70
  6. Step 6: Final answer
    x = 263,654.39

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1.5x scale

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.