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Finding the Fourth Proportional to 883,270.80, 1,324,906.20 and 706,123.80

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Solution

The fourth proportional to 883,270.80, 1,324,906.20 and 706,123.80 is: 1,059,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,270.80 : 1,324,906.20 = 706,123.80 : x
  2. Step 2: Convert to fraction form
    883,270.80/1,324,906.20 = 706,123.80/x
  3. Step 3: Cross multiply
    883,270.80x = 1,324,906.20 × 706,123.80
  4. Step 4: Simplify right side
    883,270.80x = 935,547,800,587.56
  5. Step 5: Solve for x
    x = 935,547,800,587.56/883,270.80
  6. Step 6: Final answer
    x = 1,059,185.70

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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.