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Finding the Fourth Proportional to 317,317.77, 437,834.14 and 188,199.59

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Solution

The fourth proportional to 317,317.77, 437,834.14 and 188,199.59 is: 259,677.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,317.77 : 437,834.14 = 188,199.59 : x
  2. Step 2: Convert to fraction form
    317,317.77/437,834.14 = 188,199.59/x
  3. Step 3: Cross multiply
    317,317.77x = 437,834.14 × 188,199.59
  4. Step 4: Simplify right side
    317,317.77x = 82,400,202,976.33
  5. Step 5: Solve for x
    x = 82,400,202,976.33/317,317.77
  6. Step 6: Final answer
    x = 259,677.24

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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.