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Finding the Fourth Proportional to 336,542.40, 504,133.20 and 209,793.60

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Solution

The fourth proportional to 336,542.40, 504,133.20 and 209,793.60 is: 314,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,542.40 : 504,133.20 = 209,793.60 : x
  2. Step 2: Convert to fraction form
    336,542.40/504,133.20 = 209,793.60/x
  3. Step 3: Cross multiply
    336,542.40x = 504,133.20 × 209,793.60
  4. Step 4: Simplify right side
    336,542.40x = 105,763,918,907.52
  5. Step 5: Solve for x
    x = 105,763,918,907.52/336,542.40
  6. Step 6: Final answer
    x = 314,266.25

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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.