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Finding the Fourth Proportional to 317,296, 437,885.94 and 183,203.20

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Solution

The fourth proportional to 317,296, 437,885.94 and 183,203.20 is: 252,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,296 : 437,885.94 = 183,203.20 : x
  2. Step 2: Convert to fraction form
    317,296/437,885.94 = 183,203.20/x
  3. Step 3: Cross multiply
    317,296x = 437,885.94 × 183,203.20
  4. Step 4: Simplify right side
    317,296x = 80,222,105,443.01
  5. Step 5: Solve for x
    x = 80,222,105,443.01/317,296
  6. Step 6: Final answer
    x = 252,830.50

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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.