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Finding the Fourth Proportional to 367,764.40, 551,646.60 and 118,446.40

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Solution

The fourth proportional to 367,764.40, 551,646.60 and 118,446.40 is: 177,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,764.40 : 551,646.60 = 118,446.40 : x
  2. Step 2: Convert to fraction form
    367,764.40/551,646.60 = 118,446.40/x
  3. Step 3: Cross multiply
    367,764.40x = 551,646.60 × 118,446.40
  4. Step 4: Simplify right side
    367,764.40x = 65,340,553,842.24
  5. Step 5: Solve for x
    x = 65,340,553,842.24/367,764.40
  6. Step 6: Final answer
    x = 177,669.60

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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.