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Finding the Fourth Proportional to 364,975.80, 547,463.70 and 168,367.80

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Solution

The fourth proportional to 364,975.80, 547,463.70 and 168,367.80 is: 252,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,975.80 : 547,463.70 = 168,367.80 : x
  2. Step 2: Convert to fraction form
    364,975.80/547,463.70 = 168,367.80/x
  3. Step 3: Cross multiply
    364,975.80x = 547,463.70 × 168,367.80
  4. Step 4: Simplify right side
    364,975.80x = 92,175,258,748.86
  5. Step 5: Solve for x
    x = 92,175,258,748.86/364,975.80
  6. Step 6: Final answer
    x = 252,551.70

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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.