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Finding the Fourth Proportional to 444,900.48, 613,969.92 and 243,683.52

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Solution

The fourth proportional to 444,900.48, 613,969.92 and 243,683.52 is: 336,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,900.48 : 613,969.92 = 243,683.52 : x
  2. Step 2: Convert to fraction form
    444,900.48/613,969.92 = 243,683.52/x
  3. Step 3: Cross multiply
    444,900.48x = 613,969.92 × 243,683.52
  4. Step 4: Simplify right side
    444,900.48x = 149,614,351,279.72
  5. Step 5: Solve for x
    x = 149,614,351,279.72/444,900.48
  6. Step 6: Final answer
    x = 336,287.23

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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.