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Finding the Fourth Proportional to 416,550.94, 574,840.60 and 225,564.48

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Solution

The fourth proportional to 416,550.94, 574,840.60 and 225,564.48 is: 311,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,550.94 : 574,840.60 = 225,564.48 : x
  2. Step 2: Convert to fraction form
    416,550.94/574,840.60 = 225,564.48/x
  3. Step 3: Cross multiply
    416,550.94x = 574,840.60 × 225,564.48
  4. Step 4: Simplify right side
    416,550.94x = 129,663,620,457.98
  5. Step 5: Solve for x
    x = 129,663,620,457.98/416,550.94
  6. Step 6: Final answer
    x = 311,279.15

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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.