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Finding the Fourth Proportional to 307,571.76, 424,449.44 and 180,247.25

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Solution

The fourth proportional to 307,571.76, 424,449.44 and 180,247.25 is: 248,741.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,571.76 : 424,449.44 = 180,247.25 : x
  2. Step 2: Convert to fraction form
    307,571.76/424,449.44 = 180,247.25/x
  3. Step 3: Cross multiply
    307,571.76x = 424,449.44 × 180,247.25
  4. Step 4: Simplify right side
    307,571.76x = 76,505,844,324.04
  5. Step 5: Solve for x
    x = 76,505,844,324.04/307,571.76
  6. Step 6: Final answer
    x = 248,741.45

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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.