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Finding the Fourth Proportional to 444,628.56, 613,587.42 and 243,424.56

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Solution

The fourth proportional to 444,628.56, 613,587.42 and 243,424.56 is: 335,925.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,628.56 : 613,587.42 = 243,424.56 : x
  2. Step 2: Convert to fraction form
    444,628.56/613,587.42 = 243,424.56/x
  3. Step 3: Cross multiply
    444,628.56x = 613,587.42 × 243,424.56
  4. Step 4: Simplify right side
    444,628.56x = 149,362,247,735.04
  5. Step 5: Solve for x
    x = 149,362,247,735.04/444,628.56
  6. Step 6: Final answer
    x = 335,925.90

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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.