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Finding the Fourth Proportional to 297,239.85, 445,766.10 and 97,513.70

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Solution

The fourth proportional to 297,239.85, 445,766.10 and 97,513.70 is: 146,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,239.85 : 445,766.10 = 97,513.70 : x
  2. Step 2: Convert to fraction form
    297,239.85/445,766.10 = 97,513.70/x
  3. Step 3: Cross multiply
    297,239.85x = 445,766.10 × 97,513.70
  4. Step 4: Simplify right side
    297,239.85x = 43,468,299,516.74
  5. Step 5: Solve for x
    x = 43,468,299,516.74/297,239.85
  6. Step 6: Final answer
    x = 146,239.81

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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.