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Finding the Fourth Proportional to 562,489.72, 843,800.04 and 197,639.20

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Solution

The fourth proportional to 562,489.72, 843,800.04 and 197,639.20 is: 296,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,489.72 : 843,800.04 = 197,639.20 : x
  2. Step 2: Convert to fraction form
    562,489.72/843,800.04 = 197,639.20/x
  3. Step 3: Cross multiply
    562,489.72x = 843,800.04 × 197,639.20
  4. Step 4: Simplify right side
    562,489.72x = 166,767,964,865.57
  5. Step 5: Solve for x
    x = 166,767,964,865.57/562,489.72
  6. Step 6: Final answer
    x = 296,481.80

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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.