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Finding the Fourth Proportional to 334,407.70, 501,672.30 and 109,705.60

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Solution

The fourth proportional to 334,407.70, 501,672.30 and 109,705.60 is: 164,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,407.70 : 501,672.30 = 109,705.60 : x
  2. Step 2: Convert to fraction form
    334,407.70/501,672.30 = 109,705.60/x
  3. Step 3: Cross multiply
    334,407.70x = 501,672.30 × 109,705.60
  4. Step 4: Simplify right side
    334,407.70x = 55,036,260,674.88
  5. Step 5: Solve for x
    x = 55,036,260,674.88/334,407.70
  6. Step 6: Final answer
    x = 164,578.33

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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.