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Finding the Fourth Proportional to 417,194.54, 625,816.03 and 161,028.53

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Solution

The fourth proportional to 417,194.54, 625,816.03 and 161,028.53 is: 241,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,194.54 : 625,816.03 = 161,028.53 : x
  2. Step 2: Convert to fraction form
    417,194.54/625,816.03 = 161,028.53/x
  3. Step 3: Cross multiply
    417,194.54x = 625,816.03 × 161,028.53
  4. Step 4: Simplify right side
    417,194.54x = 100,774,235,361.34
  5. Step 5: Solve for x
    x = 100,774,235,361.34/417,194.54
  6. Step 6: Final answer
    x = 241,552.14

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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.