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Finding the Fourth Proportional to 297,239.72, 445,765.92 and 97,513.57

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Solution

The fourth proportional to 297,239.72, 445,765.92 and 97,513.57 is: 146,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,239.72 : 445,765.92 = 97,513.57 : x
  2. Step 2: Convert to fraction form
    297,239.72/445,765.92 = 97,513.57/x
  3. Step 3: Cross multiply
    297,239.72x = 445,765.92 × 97,513.57
  4. Step 4: Simplify right side
    297,239.72x = 43,468,223,527.14
  5. Step 5: Solve for x
    x = 43,468,223,527.14/297,239.72
  6. Step 6: Final answer
    x = 146,239.62

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1.5x scale

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.