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Finding the Fourth Proportional to 654,997.34, 903,889.94 and 364,604.30

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Solution

The fourth proportional to 654,997.34, 903,889.94 and 364,604.30 is: 503,150.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,997.34 : 903,889.94 = 364,604.30 : x
  2. Step 2: Convert to fraction form
    654,997.34/903,889.94 = 364,604.30/x
  3. Step 3: Cross multiply
    654,997.34x = 903,889.94 × 364,604.30
  4. Step 4: Simplify right side
    654,997.34x = 329,562,158,850.74
  5. Step 5: Solve for x
    x = 329,562,158,850.74/654,997.34
  6. Step 6: Final answer
    x = 503,150.38

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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.