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Finding the Fourth Proportional to 297,031.30, 445,542.90 and 97,358.20

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Solution

The fourth proportional to 297,031.30, 445,542.90 and 97,358.20 is: 146,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,031.30 : 445,542.90 = 97,358.20 : x
  2. Step 2: Convert to fraction form
    297,031.30/445,542.90 = 97,358.20/x
  3. Step 3: Cross multiply
    297,031.30x = 445,542.90 × 97,358.20
  4. Step 4: Simplify right side
    297,031.30x = 43,377,254,766.78
  5. Step 5: Solve for x
    x = 43,377,254,766.78/297,031.30
  6. Step 6: Final answer
    x = 146,035.97

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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.