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Finding the Fourth Proportional to 379,804.41, 569,904.66 and 275,484.51

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Solution

The fourth proportional to 379,804.41, 569,904.66 and 275,484.51 is: 413,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,804.41 : 569,904.66 = 275,484.51 : x
  2. Step 2: Convert to fraction form
    379,804.41/569,904.66 = 275,484.51/x
  3. Step 3: Cross multiply
    379,804.41x = 569,904.66 × 275,484.51
  4. Step 4: Simplify right side
    379,804.41x = 156,999,906,006.82
  5. Step 5: Solve for x
    x = 156,999,906,006.82/379,804.41
  6. Step 6: Final answer
    x = 413,370.41

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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.