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Finding the Fourth Proportional to 448,521.60, 672,650.32 and 167,973.24

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Solution

The fourth proportional to 448,521.60, 672,650.32 and 167,973.24 is: 251,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,521.60 : 672,650.32 = 167,973.24 : x
  2. Step 2: Convert to fraction form
    448,521.60/672,650.32 = 167,973.24/x
  3. Step 3: Cross multiply
    448,521.60x = 672,650.32 × 167,973.24
  4. Step 4: Simplify right side
    448,521.60x = 112,987,253,637.44
  5. Step 5: Solve for x
    x = 112,987,253,637.44/448,521.60
  6. Step 6: Final answer
    x = 251,910.40

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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.