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Finding the Fourth Proportional to 379,968.98, 570,110.40 and 166,626.45

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Solution

The fourth proportional to 379,968.98, 570,110.40 and 166,626.45 is: 250,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,968.98 : 570,110.40 = 166,626.45 : x
  2. Step 2: Convert to fraction form
    379,968.98/570,110.40 = 166,626.45/x
  3. Step 3: Cross multiply
    379,968.98x = 570,110.40 × 166,626.45
  4. Step 4: Simplify right side
    379,968.98x = 94,995,472,060.08
  5. Step 5: Solve for x
    x = 94,995,472,060.08/379,968.98
  6. Step 6: Final answer
    x = 250,008.50

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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.