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Finding the Fourth Proportional to 379,670.95, 569,511.47 and 113,370.31

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Solution

The fourth proportional to 379,670.95, 569,511.47 and 113,370.31 is: 170,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,670.95 : 569,511.47 = 113,370.31 : x
  2. Step 2: Convert to fraction form
    379,670.95/569,511.47 = 113,370.31/x
  3. Step 3: Cross multiply
    379,670.95x = 569,511.47 × 113,370.31
  4. Step 4: Simplify right side
    379,670.95x = 64,565,691,902.46
  5. Step 5: Solve for x
    x = 64,565,691,902.46/379,670.95
  6. Step 6: Final answer
    x = 170,056.97

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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.