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Finding the Fourth Proportional to 317,477.42, 476,227.11 and 159,619.82

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Solution

The fourth proportional to 317,477.42, 476,227.11 and 159,619.82 is: 239,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,477.42 : 476,227.11 = 159,619.82 : x
  2. Step 2: Convert to fraction form
    317,477.42/476,227.11 = 159,619.82/x
  3. Step 3: Cross multiply
    317,477.42x = 476,227.11 × 159,619.82
  4. Step 4: Simplify right side
    317,477.42x = 76,015,285,577.32
  5. Step 5: Solve for x
    x = 76,015,285,577.32/317,477.42
  6. Step 6: Final answer
    x = 239,435.25

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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.