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Finding the Fourth Proportional to 238,648.72, 358,629.18 and 223,044.47

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Solution

The fourth proportional to 238,648.72, 358,629.18 and 223,044.47 is: 335,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,648.72 : 358,629.18 = 223,044.47 : x
  2. Step 2: Convert to fraction form
    238,648.72/358,629.18 = 223,044.47/x
  3. Step 3: Cross multiply
    238,648.72x = 358,629.18 × 223,044.47
  4. Step 4: Simplify right side
    238,648.72x = 79,990,255,379.63
  5. Step 5: Solve for x
    x = 79,990,255,379.63/238,648.72
  6. Step 6: Final answer
    x = 335,179.91

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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.