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Finding the Fourth Proportional to 416,813.48, 625,220.22 and 276,845.48

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Solution

The fourth proportional to 416,813.48, 625,220.22 and 276,845.48 is: 415,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,813.48 : 625,220.22 = 276,845.48 : x
  2. Step 2: Convert to fraction form
    416,813.48/625,220.22 = 276,845.48/x
  3. Step 3: Cross multiply
    416,813.48x = 625,220.22 × 276,845.48
  4. Step 4: Simplify right side
    416,813.48x = 173,089,391,911.61
  5. Step 5: Solve for x
    x = 173,089,391,911.61/416,813.48
  6. Step 6: Final answer
    x = 415,268.22

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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.