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Finding the Fourth Proportional to 378,580.24, 567,999.96 and 168,364.72

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Solution

The fourth proportional to 378,580.24, 567,999.96 and 168,364.72 is: 252,604.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,580.24 : 567,999.96 = 168,364.72 : x
  2. Step 2: Convert to fraction form
    378,580.24/567,999.96 = 168,364.72/x
  3. Step 3: Cross multiply
    378,580.24x = 567,999.96 × 168,364.72
  4. Step 4: Simplify right side
    378,580.24x = 95,631,154,225.41
  5. Step 5: Solve for x
    x = 95,631,154,225.41/378,580.24
  6. Step 6: Final answer
    x = 252,604.72

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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.