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Finding the Fourth Proportional to 419,908.53, 579,482.46 and 236,150.61

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Solution

The fourth proportional to 419,908.53, 579,482.46 and 236,150.61 is: 325,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,908.53 : 579,482.46 = 236,150.61 : x
  2. Step 2: Convert to fraction form
    419,908.53/579,482.46 = 236,150.61/x
  3. Step 3: Cross multiply
    419,908.53x = 579,482.46 × 236,150.61
  4. Step 4: Simplify right side
    419,908.53x = 136,845,136,413.30
  5. Step 5: Solve for x
    x = 136,845,136,413.30/419,908.53
  6. Step 6: Final answer
    x = 325,892.73

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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.