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Finding the Fourth Proportional to 386,185.73, 578,524.46 and 183,493.37

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Solution

The fourth proportional to 386,185.73, 578,524.46 and 183,493.37 is: 274,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,185.73 : 578,524.46 = 183,493.37 : x
  2. Step 2: Convert to fraction form
    386,185.73/578,524.46 = 183,493.37/x
  3. Step 3: Cross multiply
    386,185.73x = 578,524.46 × 183,493.37
  4. Step 4: Simplify right side
    386,185.73x = 106,155,403,321.67
  5. Step 5: Solve for x
    x = 106,155,403,321.67/386,185.73
  6. Step 6: Final answer
    x = 274,881.74

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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.