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Finding the Fourth Proportional to 622,156.33, 933,233.96 and 172,876.98

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Solution

The fourth proportional to 622,156.33, 933,233.96 and 172,876.98 is: 259,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,156.33 : 933,233.96 = 172,876.98 : x
  2. Step 2: Convert to fraction form
    622,156.33/933,233.96 = 172,876.98/x
  3. Step 3: Cross multiply
    622,156.33x = 933,233.96 × 172,876.98
  4. Step 4: Simplify right side
    622,156.33x = 161,334,669,070.43
  5. Step 5: Solve for x
    x = 161,334,669,070.43/622,156.33
  6. Step 6: Final answer
    x = 259,315.32

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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.