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Finding the Fourth Proportional to 417,131.44, 575,633.88 and 235,840.24

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Solution

The fourth proportional to 417,131.44, 575,633.88 and 235,840.24 is: 325,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,131.44 : 575,633.88 = 235,840.24 : x
  2. Step 2: Convert to fraction form
    417,131.44/575,633.88 = 235,840.24/x
  3. Step 3: Cross multiply
    417,131.44x = 575,633.88 × 235,840.24
  4. Step 4: Simplify right side
    417,131.44x = 135,757,632,411.33
  5. Step 5: Solve for x
    x = 135,757,632,411.33/417,131.44
  6. Step 6: Final answer
    x = 325,455.29

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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.