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Finding the Fourth Proportional to 317,127.36, 437,775.30 and 222,007.44

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Solution

The fourth proportional to 317,127.36, 437,775.30 and 222,007.44 is: 306,467.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,127.36 : 437,775.30 = 222,007.44 : x
  2. Step 2: Convert to fraction form
    317,127.36/437,775.30 = 222,007.44/x
  3. Step 3: Cross multiply
    317,127.36x = 437,775.30 × 222,007.44
  4. Step 4: Simplify right side
    317,127.36x = 97,189,373,648.23
  5. Step 5: Solve for x
    x = 97,189,373,648.23/317,127.36
  6. Step 6: Final answer
    x = 306,467.96

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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.