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Finding the Fourth Proportional to 965,474.90, 1,448,682.75 and 397,026.80

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Solution

The fourth proportional to 965,474.90, 1,448,682.75 and 397,026.80 is: 595,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,474.90 : 1,448,682.75 = 397,026.80 : x
  2. Step 2: Convert to fraction form
    965,474.90/1,448,682.75 = 397,026.80/x
  3. Step 3: Cross multiply
    965,474.90x = 1,448,682.75 × 397,026.80
  4. Step 4: Simplify right side
    965,474.90x = 575,165,876,447.70
  5. Step 5: Solve for x
    x = 575,165,876,447.70/965,474.90
  6. Step 6: Final answer
    x = 595,733.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.