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Finding the Fourth Proportional to 379,330.24, 569,148.36 and 168,824.20

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Solution

The fourth proportional to 379,330.24, 569,148.36 and 168,824.20 is: 253,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,330.24 : 569,148.36 = 168,824.20 : x
  2. Step 2: Convert to fraction form
    379,330.24/569,148.36 = 168,824.20/x
  3. Step 3: Cross multiply
    379,330.24x = 569,148.36 × 168,824.20
  4. Step 4: Simplify right side
    379,330.24x = 96,086,016,558.31
  5. Step 5: Solve for x
    x = 96,086,016,558.31/379,330.24
  6. Step 6: Final answer
    x = 253,304.39

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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.