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Finding the Fourth Proportional to 367,967.80, 551,878.80 and 178,427.80

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Solution

The fourth proportional to 367,967.80, 551,878.80 and 178,427.80 is: 267,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,967.80 : 551,878.80 = 178,427.80 : x
  2. Step 2: Convert to fraction form
    367,967.80/551,878.80 = 178,427.80/x
  3. Step 3: Cross multiply
    367,967.80x = 551,878.80 × 178,427.80
  4. Step 4: Simplify right side
    367,967.80x = 98,470,520,150.64
  5. Step 5: Solve for x
    x = 98,470,520,150.64/367,967.80
  6. Step 6: Final answer
    x = 267,606.35

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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.