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Finding the Fourth Proportional to 622,708.88, 934,064.22 and 173,431.04

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Solution

The fourth proportional to 622,708.88, 934,064.22 and 173,431.04 is: 260,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,708.88 : 934,064.22 = 173,431.04 : x
  2. Step 2: Convert to fraction form
    622,708.88/934,064.22 = 173,431.04/x
  3. Step 3: Cross multiply
    622,708.88x = 934,064.22 × 173,431.04
  4. Step 4: Simplify right side
    622,708.88x = 161,995,724,431.07
  5. Step 5: Solve for x
    x = 161,995,724,431.07/622,708.88
  6. Step 6: Final answer
    x = 260,146.81

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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.