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Finding the Fourth Proportional to 404,680.26, 558,458.76 and 225,832.26

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Solution

The fourth proportional to 404,680.26, 558,458.76 and 225,832.26 is: 311,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,680.26 : 558,458.76 = 225,832.26 : x
  2. Step 2: Convert to fraction form
    404,680.26/558,458.76 = 225,832.26/x
  3. Step 3: Cross multiply
    404,680.26x = 558,458.76 × 225,832.26
  4. Step 4: Simplify right side
    404,680.26x = 126,118,003,887.60
  5. Step 5: Solve for x
    x = 126,118,003,887.60/404,680.26
  6. Step 6: Final answer
    x = 311,648.52

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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.