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Finding the Fourth Proportional to 334,412.70, 501,679.80 and 109,710.60

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Solution

The fourth proportional to 334,412.70, 501,679.80 and 109,710.60 is: 164,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,412.70 : 501,679.80 = 109,710.60 : x
  2. Step 2: Convert to fraction form
    334,412.70/501,679.80 = 109,710.60/x
  3. Step 3: Cross multiply
    334,412.70x = 501,679.80 × 109,710.60
  4. Step 4: Simplify right side
    334,412.70x = 55,039,591,865.88
  5. Step 5: Solve for x
    x = 55,039,591,865.88/334,412.70
  6. Step 6: Final answer
    x = 164,585.83

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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.