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Finding the Fourth Proportional to 334,799.70, 501,772.48 and 156,914.80

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Solution

The fourth proportional to 334,799.70, 501,772.48 and 156,914.80 is: 235,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,799.70 : 501,772.48 = 156,914.80 : x
  2. Step 2: Convert to fraction form
    334,799.70/501,772.48 = 156,914.80/x
  3. Step 3: Cross multiply
    334,799.70x = 501,772.48 × 156,914.80
  4. Step 4: Simplify right side
    334,799.70x = 78,735,528,344.70
  5. Step 5: Solve for x
    x = 78,735,528,344.70/334,799.70
  6. Step 6: Final answer
    x = 235,172.04

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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.