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Finding the Fourth Proportional to 297,318.54, 410,302.59 and 161,353.67

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Solution

The fourth proportional to 297,318.54, 410,302.59 and 161,353.67 is: 222,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,318.54 : 410,302.59 = 161,353.67 : x
  2. Step 2: Convert to fraction form
    297,318.54/410,302.59 = 161,353.67/x
  3. Step 3: Cross multiply
    297,318.54x = 410,302.59 × 161,353.67
  4. Step 4: Simplify right side
    297,318.54x = 66,203,826,655.49
  5. Step 5: Solve for x
    x = 66,203,826,655.49/297,318.54
  6. Step 6: Final answer
    x = 222,669.69

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1.5x scale

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.