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Finding the Fourth Proportional to 325,255.81, 448,644.76 and 260,879.52

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Solution

The fourth proportional to 325,255.81, 448,644.76 and 260,879.52 is: 359,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,255.81 : 448,644.76 = 260,879.52 : x
  2. Step 2: Convert to fraction form
    325,255.81/448,644.76 = 260,879.52/x
  3. Step 3: Cross multiply
    325,255.81x = 448,644.76 × 260,879.52
  4. Step 4: Simplify right side
    325,255.81x = 117,042,228,987.12
  5. Step 5: Solve for x
    x = 117,042,228,987.12/325,255.81
  6. Step 6: Final answer
    x = 359,846.70

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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.