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Finding the Fourth Proportional to 403,656.25, 605,593.67 and 150,962.41

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Solution

The fourth proportional to 403,656.25, 605,593.67 and 150,962.41 is: 226,484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,656.25 : 605,593.67 = 150,962.41 : x
  2. Step 2: Convert to fraction form
    403,656.25/605,593.67 = 150,962.41/x
  3. Step 3: Cross multiply
    403,656.25x = 605,593.67 × 150,962.41
  4. Step 4: Simplify right side
    403,656.25x = 91,421,878,767.37
  5. Step 5: Solve for x
    x = 91,421,878,767.37/403,656.25
  6. Step 6: Final answer
    x = 226,484.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.