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Finding the Fourth Proportional to 448,079.60, 672,238.20 and 195,251.60

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Solution

The fourth proportional to 448,079.60, 672,238.20 and 195,251.60 is: 292,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,079.60 : 672,238.20 = 195,251.60 : x
  2. Step 2: Convert to fraction form
    448,079.60/672,238.20 = 195,251.60/x
  3. Step 3: Cross multiply
    448,079.60x = 672,238.20 × 195,251.60
  4. Step 4: Simplify right side
    448,079.60x = 131,255,584,131.12
  5. Step 5: Solve for x
    x = 131,255,584,131.12/448,079.60
  6. Step 6: Final answer
    x = 292,929.17

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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.