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Finding the Fourth Proportional to 444,329.50, 613,175.12 and 243,125.50

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Solution

The fourth proportional to 444,329.50, 613,175.12 and 243,125.50 is: 335,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,329.50 : 613,175.12 = 243,125.50 : x
  2. Step 2: Convert to fraction form
    444,329.50/613,175.12 = 243,125.50/x
  3. Step 3: Cross multiply
    444,329.50x = 613,175.12 × 243,125.50
  4. Step 4: Simplify right side
    444,329.50x = 149,078,507,637.56
  5. Step 5: Solve for x
    x = 149,078,507,637.56/444,329.50
  6. Step 6: Final answer
    x = 335,513.41

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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.