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Finding the Fourth Proportional to 416,845.99, 575,220.77 and 233,099.72

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Solution

The fourth proportional to 416,845.99, 575,220.77 and 233,099.72 is: 321,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,845.99 : 575,220.77 = 233,099.72 : x
  2. Step 2: Convert to fraction form
    416,845.99/575,220.77 = 233,099.72/x
  3. Step 3: Cross multiply
    416,845.99x = 575,220.77 × 233,099.72
  4. Step 4: Simplify right side
    416,845.99x = 134,083,800,425.18
  5. Step 5: Solve for x
    x = 134,083,800,425.18/416,845.99
  6. Step 6: Final answer
    x = 321,662.69

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1.5x scale

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.