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Finding the Fourth Proportional to 655,996.34, 905,246.97 and 365,592.45

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Solution

The fourth proportional to 655,996.34, 905,246.97 and 365,592.45 is: 504,501.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,996.34 : 905,246.97 = 365,592.45 : x
  2. Step 2: Convert to fraction form
    655,996.34/905,246.97 = 365,592.45/x
  3. Step 3: Cross multiply
    655,996.34x = 905,246.97 × 365,592.45
  4. Step 4: Simplify right side
    655,996.34x = 330,951,457,617.38
  5. Step 5: Solve for x
    x = 330,951,457,617.38/655,996.34
  6. Step 6: Final answer
    x = 504,501.99

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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.