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Finding the Fourth Proportional to 562,006.80, 843,010.20 and 162,660.60

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Solution

The fourth proportional to 562,006.80, 843,010.20 and 162,660.60 is: 243,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,006.80 : 843,010.20 = 162,660.60 : x
  2. Step 2: Convert to fraction form
    562,006.80/843,010.20 = 162,660.60/x
  3. Step 3: Cross multiply
    562,006.80x = 843,010.20 × 162,660.60
  4. Step 4: Simplify right side
    562,006.80x = 137,124,544,938.12
  5. Step 5: Solve for x
    x = 137,124,544,938.12/562,006.80
  6. Step 6: Final answer
    x = 243,990.90

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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.