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Finding the Fourth Proportional to 622,884.20, 934,326.60 and 173,616.69

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Solution

The fourth proportional to 622,884.20, 934,326.60 and 173,616.69 is: 260,425.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,884.20 : 934,326.60 = 173,616.69 : x
  2. Step 2: Convert to fraction form
    622,884.20/934,326.60 = 173,616.69/x
  3. Step 3: Cross multiply
    622,884.20x = 934,326.60 × 173,616.69
  4. Step 4: Simplify right side
    622,884.20x = 162,214,691,670.95
  5. Step 5: Solve for x
    x = 162,214,691,670.95/622,884.20
  6. Step 6: Final answer
    x = 260,425.12

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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.