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Finding the Fourth Proportional to 448,045, 672,045.62 and 167,540.38

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Solution

The fourth proportional to 448,045, 672,045.62 and 167,540.38 is: 251,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,045 : 672,045.62 = 167,540.38 : x
  2. Step 2: Convert to fraction form
    448,045/672,045.62 = 167,540.38/x
  3. Step 3: Cross multiply
    448,045x = 672,045.62 × 167,540.38
  4. Step 4: Simplify right side
    448,045x = 112,594,778,552.14
  5. Step 5: Solve for x
    x = 112,594,778,552.14/448,045
  6. Step 6: Final answer
    x = 251,302.39

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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.