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Finding the Fourth Proportional to 297,338.55, 410,330.26 and 161,373.67

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Solution

The fourth proportional to 297,338.55, 410,330.26 and 161,373.67 is: 222,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,338.55 : 410,330.26 = 161,373.67 : x
  2. Step 2: Convert to fraction form
    297,338.55/410,330.26 = 161,373.67/x
  3. Step 3: Cross multiply
    297,338.55x = 410,330.26 × 161,373.67
  4. Step 4: Simplify right side
    297,338.55x = 66,216,499,968.25
  5. Step 5: Solve for x
    x = 66,216,499,968.25/297,338.55
  6. Step 6: Final answer
    x = 222,697.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.