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Finding the Fourth Proportional to 448,552.14, 672,606.67 and 164,028.21

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Solution

The fourth proportional to 448,552.14, 672,606.67 and 164,028.21 is: 245,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,552.14 : 672,606.67 = 164,028.21 : x
  2. Step 2: Convert to fraction form
    448,552.14/672,606.67 = 164,028.21/x
  3. Step 3: Cross multiply
    448,552.14x = 672,606.67 × 164,028.21
  4. Step 4: Simplify right side
    448,552.14x = 110,326,468,114.16
  5. Step 5: Solve for x
    x = 110,326,468,114.16/448,552.14
  6. Step 6: Final answer
    x = 245,961.30

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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.