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Finding the Fourth Proportional to 317,202.78, 437,699.37 and 181,245.55

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Solution

The fourth proportional to 317,202.78, 437,699.37 and 181,245.55 is: 250,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,202.78 : 437,699.37 = 181,245.55 : x
  2. Step 2: Convert to fraction form
    317,202.78/437,699.37 = 181,245.55/x
  3. Step 3: Cross multiply
    317,202.78x = 437,699.37 × 181,245.55
  4. Step 4: Simplify right side
    317,202.78x = 79,331,062,946.66
  5. Step 5: Solve for x
    x = 79,331,062,946.66/317,202.78
  6. Step 6: Final answer
    x = 250,095.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.