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Finding the Fourth Proportional to 448,468.40, 672,705 and 116,044.40

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Solution

The fourth proportional to 448,468.40, 672,705 and 116,044.40 is: 174,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,468.40 : 672,705 = 116,044.40 : x
  2. Step 2: Convert to fraction form
    448,468.40/672,705 = 116,044.40/x
  3. Step 3: Cross multiply
    448,468.40x = 672,705 × 116,044.40
  4. Step 4: Simplify right side
    448,468.40x = 78,063,648,102
  5. Step 5: Solve for x
    x = 78,063,648,102/448,468.40
  6. Step 6: Final answer
    x = 174,067.22

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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.