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Finding the Fourth Proportional to 622,634.01, 933,951.72 and 173,355.87

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Solution

The fourth proportional to 622,634.01, 933,951.72 and 173,355.87 is: 260,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,634.01 : 933,951.72 = 173,355.87 : x
  2. Step 2: Convert to fraction form
    622,634.01/933,951.72 = 173,355.87/x
  3. Step 3: Cross multiply
    622,634.01x = 933,951.72 × 173,355.87
  4. Step 4: Simplify right side
    622,634.01x = 161,906,012,958.60
  5. Step 5: Solve for x
    x = 161,906,012,958.60/622,634.01
  6. Step 6: Final answer
    x = 260,034.00

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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.