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Finding the Fourth Proportional to 316,801, 437,186.18 and 173,563.88

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Solution

The fourth proportional to 316,801, 437,186.18 and 173,563.88 is: 239,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,801 : 437,186.18 = 173,563.88 : x
  2. Step 2: Convert to fraction form
    316,801/437,186.18 = 173,563.88/x
  3. Step 3: Cross multiply
    316,801x = 437,186.18 × 173,563.88
  4. Step 4: Simplify right side
    316,801x = 75,879,729,683.18
  5. Step 5: Solve for x
    x = 75,879,729,683.18/316,801
  6. Step 6: Final answer
    x = 239,518.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.