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Finding the Fourth Proportional to 655,997.34, 905,248.35 and 365,593.45

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Solution

The fourth proportional to 655,997.34, 905,248.35 and 365,593.45 is: 504,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,997.34 : 905,248.35 = 365,593.45 : x
  2. Step 2: Convert to fraction form
    655,997.34/905,248.35 = 365,593.45/x
  3. Step 3: Cross multiply
    655,997.34x = 905,248.35 × 365,593.45
  4. Step 4: Simplify right side
    655,997.34x = 330,952,867,383.31
  5. Step 5: Solve for x
    x = 330,952,867,383.31/655,997.34
  6. Step 6: Final answer
    x = 504,503.37

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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.