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Finding the Fourth Proportional to 297,645.62, 410,750.64 and 161,679.67

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Solution

The fourth proportional to 297,645.62, 410,750.64 and 161,679.67 is: 223,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,645.62 : 410,750.64 = 161,679.67 : x
  2. Step 2: Convert to fraction form
    297,645.62/410,750.64 = 161,679.67/x
  3. Step 3: Cross multiply
    297,645.62x = 410,750.64 × 161,679.67
  4. Step 4: Simplify right side
    297,645.62x = 66,410,027,927.49
  5. Step 5: Solve for x
    x = 66,410,027,927.49/297,645.62
  6. Step 6: Final answer
    x = 223,117.77

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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.