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Finding the Fourth Proportional to 574,809.08, 862,213.78 and 175,452.12

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Solution

The fourth proportional to 574,809.08, 862,213.78 and 175,452.12 is: 263,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,809.08 : 862,213.78 = 175,452.12 : x
  2. Step 2: Convert to fraction form
    574,809.08/862,213.78 = 175,452.12/x
  3. Step 3: Cross multiply
    574,809.08x = 862,213.78 × 175,452.12
  4. Step 4: Simplify right side
    574,809.08x = 151,277,235,594.21
  5. Step 5: Solve for x
    x = 151,277,235,594.21/574,809.08
  6. Step 6: Final answer
    x = 263,178.23

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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.