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Finding the Fourth Proportional to 415,809.03, 623,183.27 and 202,627.83

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Solution

The fourth proportional to 415,809.03, 623,183.27 and 202,627.83 is: 303,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,809.03 : 623,183.27 = 202,627.83 : x
  2. Step 2: Convert to fraction form
    415,809.03/623,183.27 = 202,627.83/x
  3. Step 3: Cross multiply
    415,809.03x = 623,183.27 × 202,627.83
  4. Step 4: Simplify right side
    415,809.03x = 126,274,272,679.27
  5. Step 5: Solve for x
    x = 126,274,272,679.27/415,809.03
  6. Step 6: Final answer
    x = 303,683.33

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1.5x scale

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.