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Finding the Fourth Proportional to 317,500.14, 475,610.42 and 210,944.10

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Solution

The fourth proportional to 317,500.14, 475,610.42 and 210,944.10 is: 315,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,500.14 : 475,610.42 = 210,944.10 : x
  2. Step 2: Convert to fraction form
    317,500.14/475,610.42 = 210,944.10/x
  3. Step 3: Cross multiply
    317,500.14x = 475,610.42 × 210,944.10
  4. Step 4: Simplify right side
    317,500.14x = 100,327,211,997.52
  5. Step 5: Solve for x
    x = 100,327,211,997.52/317,500.14
  6. Step 6: Final answer
    x = 315,991.08

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1.5x scale

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.