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Finding the Fourth Proportional to 622,609.66, 928,755.50 and 604,255.26

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Solution

The fourth proportional to 622,609.66, 928,755.50 and 604,255.26 is: 901,375.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,609.66 : 928,755.50 = 604,255.26 : x
  2. Step 2: Convert to fraction form
    622,609.66/928,755.50 = 604,255.26/x
  3. Step 3: Cross multiply
    622,609.66x = 928,755.50 × 604,255.26
  4. Step 4: Simplify right side
    622,609.66x = 561,205,396,128.93
  5. Step 5: Solve for x
    x = 561,205,396,128.93/622,609.66
  6. Step 6: Final answer
    x = 901,375.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.