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Finding the Fourth Proportional to 448,616.94, 672,728.55 and 167,937.36

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Solution

The fourth proportional to 448,616.94, 672,728.55 and 167,937.36 is: 251,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,616.94 : 672,728.55 = 167,937.36 : x
  2. Step 2: Convert to fraction form
    448,616.94/672,728.55 = 167,937.36/x
  3. Step 3: Cross multiply
    448,616.94x = 672,728.55 × 167,937.36
  4. Step 4: Simplify right side
    448,616.94x = 112,976,256,683.63
  5. Step 5: Solve for x
    x = 112,976,256,683.63/448,616.94
  6. Step 6: Final answer
    x = 251,832.35

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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.