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Finding the Fourth Proportional to 680,580.60, 1,020,793.14 and 181,983.48

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Solution

The fourth proportional to 680,580.60, 1,020,793.14 and 181,983.48 is: 272,954.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,580.60 : 1,020,793.14 = 181,983.48 : x
  2. Step 2: Convert to fraction form
    680,580.60/1,020,793.14 = 181,983.48/x
  3. Step 3: Cross multiply
    680,580.60x = 1,020,793.14 × 181,983.48
  4. Step 4: Simplify right side
    680,580.60x = 185,767,487,977.33
  5. Step 5: Solve for x
    x = 185,767,487,977.33/680,580.60
  6. Step 6: Final answer
    x = 272,954.43

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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.