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Finding the Fourth Proportional to 322,430.70, 483,650.10 and 97,793.40

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Solution

The fourth proportional to 322,430.70, 483,650.10 and 97,793.40 is: 146,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,430.70 : 483,650.10 = 97,793.40 : x
  2. Step 2: Convert to fraction form
    322,430.70/483,650.10 = 97,793.40/x
  3. Step 3: Cross multiply
    322,430.70x = 483,650.10 × 97,793.40
  4. Step 4: Simplify right side
    322,430.70x = 47,297,787,689.34
  5. Step 5: Solve for x
    x = 47,297,787,689.34/322,430.70
  6. Step 6: Final answer
    x = 146,691.33

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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.