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Finding the Fourth Proportional to 317,996.94, 477,214.11 and 131,008.44

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Solution

The fourth proportional to 317,996.94, 477,214.11 and 131,008.44 is: 196,602.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,996.94 : 477,214.11 = 131,008.44 : x
  2. Step 2: Convert to fraction form
    317,996.94/477,214.11 = 131,008.44/x
  3. Step 3: Cross multiply
    317,996.94x = 477,214.11 × 131,008.44
  4. Step 4: Simplify right side
    317,996.94x = 62,519,075,442.05
  5. Step 5: Solve for x
    x = 62,519,075,442.05/317,996.94
  6. Step 6: Final answer
    x = 196,602.76

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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.