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Finding the Fourth Proportional to 374,940.08, 561,703.74 and 185,178.32

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Solution

The fourth proportional to 374,940.08, 561,703.74 and 185,178.32 is: 277,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,940.08 : 561,703.74 = 185,178.32 : x
  2. Step 2: Convert to fraction form
    374,940.08/561,703.74 = 185,178.32/x
  3. Step 3: Cross multiply
    374,940.08x = 561,703.74 × 185,178.32
  4. Step 4: Simplify right side
    374,940.08x = 104,015,354,910.92
  5. Step 5: Solve for x
    x = 104,015,354,910.92/374,940.08
  6. Step 6: Final answer
    x = 277,418.61

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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.