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Finding the Fourth Proportional to 379,735.92, 569,598.36 and 113,490.48

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Solution

The fourth proportional to 379,735.92, 569,598.36 and 113,490.48 is: 170,234.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,735.92 : 569,598.36 = 113,490.48 : x
  2. Step 2: Convert to fraction form
    379,735.92/569,598.36 = 113,490.48/x
  3. Step 3: Cross multiply
    379,735.92x = 569,598.36 × 113,490.48
  4. Step 4: Simplify right side
    379,735.92x = 64,643,991,283.61
  5. Step 5: Solve for x
    x = 64,643,991,283.61/379,735.92
  6. Step 6: Final answer
    x = 170,234.07

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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.