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Finding the Fourth Proportional to 367,897.44, 551,729.52 and 157,478.88

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Solution

The fourth proportional to 367,897.44, 551,729.52 and 157,478.88 is: 236,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,897.44 : 551,729.52 = 157,478.88 : x
  2. Step 2: Convert to fraction form
    367,897.44/551,729.52 = 157,478.88/x
  3. Step 3: Cross multiply
    367,897.44x = 551,729.52 × 157,478.88
  4. Step 4: Simplify right side
    367,897.44x = 86,885,746,872.54
  5. Step 5: Solve for x
    x = 86,885,746,872.54/367,897.44
  6. Step 6: Final answer
    x = 236,168.39

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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.