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Finding the Fourth Proportional to 307,944.60, 461,260.80 and 248,895.60

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Solution

The fourth proportional to 307,944.60, 461,260.80 and 248,895.60 is: 372,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,944.60 : 461,260.80 = 248,895.60 : x
  2. Step 2: Convert to fraction form
    307,944.60/461,260.80 = 248,895.60/x
  3. Step 3: Cross multiply
    307,944.60x = 461,260.80 × 248,895.60
  4. Step 4: Simplify right side
    307,944.60x = 114,805,783,572.48
  5. Step 5: Solve for x
    x = 114,805,783,572.48/307,944.60
  6. Step 6: Final answer
    x = 372,813.11

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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.