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Finding the Fourth Proportional to 606,747.38, 909,839.49 and 354,100.58

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Solution

The fourth proportional to 606,747.38, 909,839.49 and 354,100.58 is: 530,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,747.38 : 909,839.49 = 354,100.58 : x
  2. Step 2: Convert to fraction form
    606,747.38/909,839.49 = 354,100.58/x
  3. Step 3: Cross multiply
    606,747.38x = 909,839.49 × 354,100.58
  4. Step 4: Simplify right side
    606,747.38x = 322,174,691,115.90
  5. Step 5: Solve for x
    x = 322,174,691,115.90/606,747.38
  6. Step 6: Final answer
    x = 530,986.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.