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Finding the Fourth Proportional to 307,432.99, 458,093.31 and 273,895.34

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Solution

The fourth proportional to 307,432.99, 458,093.31 and 273,895.34 is: 408,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,432.99 : 458,093.31 = 273,895.34 : x
  2. Step 2: Convert to fraction form
    307,432.99/458,093.31 = 273,895.34/x
  3. Step 3: Cross multiply
    307,432.99x = 458,093.31 × 273,895.34
  4. Step 4: Simplify right side
    307,432.99x = 125,469,624,039.41
  5. Step 5: Solve for x
    x = 125,469,624,039.41/307,432.99
  6. Step 6: Final answer
    x = 408,120.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.