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Finding the Fourth Proportional to 574,911.53, 862,493.54 and 170,072.05

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Solution

The fourth proportional to 574,911.53, 862,493.54 and 170,072.05 is: 255,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,911.53 : 862,493.54 = 170,072.05 : x
  2. Step 2: Convert to fraction form
    574,911.53/862,493.54 = 170,072.05/x
  3. Step 3: Cross multiply
    574,911.53x = 862,493.54 × 170,072.05
  4. Step 4: Simplify right side
    574,911.53x = 146,686,043,070.14
  5. Step 5: Solve for x
    x = 146,686,043,070.14/574,911.53
  6. Step 6: Final answer
    x = 255,145.42

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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.