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Finding the Fourth Proportional to 444,356.21, 613,196.42 and 253,431.11

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Solution

The fourth proportional to 444,356.21, 613,196.42 and 253,431.11 is: 349,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,356.21 : 613,196.42 = 253,431.11 : x
  2. Step 2: Convert to fraction form
    444,356.21/613,196.42 = 253,431.11/x
  3. Step 3: Cross multiply
    444,356.21x = 613,196.42 × 253,431.11
  4. Step 4: Simplify right side
    444,356.21x = 155,403,049,634.46
  5. Step 5: Solve for x
    x = 155,403,049,634.46/444,356.21
  6. Step 6: Final answer
    x = 349,726.29

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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.