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Finding the Fourth Proportional to 386,608.02, 579,436.11 and 184,310.70

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Solution

The fourth proportional to 386,608.02, 579,436.11 and 184,310.70 is: 276,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,608.02 : 579,436.11 = 184,310.70 : x
  2. Step 2: Convert to fraction form
    386,608.02/579,436.11 = 184,310.70/x
  3. Step 3: Cross multiply
    386,608.02x = 579,436.11 × 184,310.70
  4. Step 4: Simplify right side
    386,608.02x = 106,796,275,039.38
  5. Step 5: Solve for x
    x = 106,796,275,039.38/386,608.02
  6. Step 6: Final answer
    x = 276,239.16

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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.