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Finding the Fourth Proportional to 622,083.70, 933,125.55 and 248,374.90

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Solution

The fourth proportional to 622,083.70, 933,125.55 and 248,374.90 is: 372,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,083.70 : 933,125.55 = 248,374.90 : x
  2. Step 2: Convert to fraction form
    622,083.70/933,125.55 = 248,374.90/x
  3. Step 3: Cross multiply
    622,083.70x = 933,125.55 × 248,374.90
  4. Step 4: Simplify right side
    622,083.70x = 231,764,965,168.70
  5. Step 5: Solve for x
    x = 231,764,965,168.70/622,083.70
  6. Step 6: Final answer
    x = 372,562.35

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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.