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Finding the Fourth Proportional to 403,561.98, 605,132.76 and 150,634.47

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Solution

The fourth proportional to 403,561.98, 605,132.76 and 150,634.47 is: 225,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,561.98 : 605,132.76 = 150,634.47 : x
  2. Step 2: Convert to fraction form
    403,561.98/605,132.76 = 150,634.47/x
  3. Step 3: Cross multiply
    403,561.98x = 605,132.76 × 150,634.47
  4. Step 4: Simplify right side
    403,561.98x = 91,153,852,582.24
  5. Step 5: Solve for x
    x = 91,153,852,582.24/403,561.98
  6. Step 6: Final answer
    x = 225,873.24

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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.