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Finding the Fourth Proportional to 445,055.70, 667,583.55 and 164,514.90

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Solution

The fourth proportional to 445,055.70, 667,583.55 and 164,514.90 is: 246,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,055.70 : 667,583.55 = 164,514.90 : x
  2. Step 2: Convert to fraction form
    445,055.70/667,583.55 = 164,514.90/x
  3. Step 3: Cross multiply
    445,055.70x = 667,583.55 × 164,514.90
  4. Step 4: Simplify right side
    445,055.70x = 109,827,440,969.90
  5. Step 5: Solve for x
    x = 109,827,440,969.90/445,055.70
  6. Step 6: Final answer
    x = 246,772.35

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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.