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Finding the Fourth Proportional to 883,183.50, 1,218,793.23 and 480,775.50

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Solution

The fourth proportional to 883,183.50, 1,218,793.23 and 480,775.50 is: 663,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,183.50 : 1,218,793.23 = 480,775.50 : x
  2. Step 2: Convert to fraction form
    883,183.50/1,218,793.23 = 480,775.50/x
  3. Step 3: Cross multiply
    883,183.50x = 1,218,793.23 × 480,775.50
  4. Step 4: Simplify right side
    883,183.50x = 585,965,924,549.87
  5. Step 5: Solve for x
    x = 585,965,924,549.87/883,183.50
  6. Step 6: Final answer
    x = 663,470.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.