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Finding the Fourth Proportional to 325,906.72, 448,909.98 and 230,247.32

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Solution

The fourth proportional to 325,906.72, 448,909.98 and 230,247.32 is: 317,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,906.72 : 448,909.98 = 230,247.32 : x
  2. Step 2: Convert to fraction form
    325,906.72/448,909.98 = 230,247.32/x
  3. Step 3: Cross multiply
    325,906.72x = 448,909.98 × 230,247.32
  4. Step 4: Simplify right side
    325,906.72x = 103,360,319,816.25
  5. Step 5: Solve for x
    x = 103,360,319,816.25/325,906.72
  6. Step 6: Final answer
    x = 317,146.94

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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.