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Finding the Fourth Proportional to 317,295, 437,884.56 and 183,202.20

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Solution

The fourth proportional to 317,295, 437,884.56 and 183,202.20 is: 252,829.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,295 : 437,884.56 = 183,202.20 : x
  2. Step 2: Convert to fraction form
    317,295/437,884.56 = 183,202.20/x
  3. Step 3: Cross multiply
    317,295x = 437,884.56 × 183,202.20
  4. Step 4: Simplify right side
    317,295x = 80,221,414,738.03
  5. Step 5: Solve for x
    x = 80,221,414,738.03/317,295
  6. Step 6: Final answer
    x = 252,829.12

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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.