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Finding the Fourth Proportional to 498,415.10, 746,731.65 and 303,313.10

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Solution

The fourth proportional to 498,415.10, 746,731.65 and 303,313.10 is: 454,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,415.10 : 746,731.65 = 303,313.10 : x
  2. Step 2: Convert to fraction form
    498,415.10/746,731.65 = 303,313.10/x
  3. Step 3: Cross multiply
    498,415.10x = 746,731.65 × 303,313.10
  4. Step 4: Simplify right side
    498,415.10x = 226,493,491,629.62
  5. Step 5: Solve for x
    x = 226,493,491,629.62/498,415.10
  6. Step 6: Final answer
    x = 454,427.43

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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.