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Finding the Fourth Proportional to 416,309.26, 574,520.77 and 255,133.23

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Solution

The fourth proportional to 416,309.26, 574,520.77 and 255,133.23 is: 352,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,309.26 : 574,520.77 = 255,133.23 : x
  2. Step 2: Convert to fraction form
    416,309.26/574,520.77 = 255,133.23/x
  3. Step 3: Cross multiply
    416,309.26x = 574,520.77 × 255,133.23
  4. Step 4: Simplify right side
    416,309.26x = 146,579,342,225.56
  5. Step 5: Solve for x
    x = 146,579,342,225.56/416,309.26
  6. Step 6: Final answer
    x = 352,092.44

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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.