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Finding the Fourth Proportional to 334,474.70, 501,772.80 and 109,772.60

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Solution

The fourth proportional to 334,474.70, 501,772.80 and 109,772.60 is: 164,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,474.70 : 501,772.80 = 109,772.60 : x
  2. Step 2: Convert to fraction form
    334,474.70/501,772.80 = 109,772.60/x
  3. Step 3: Cross multiply
    334,474.70x = 501,772.80 × 109,772.60
  4. Step 4: Simplify right side
    334,474.70x = 55,080,904,865.28
  5. Step 5: Solve for x
    x = 55,080,904,865.28/334,474.70
  6. Step 6: Final answer
    x = 164,678.84

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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.