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Finding the Fourth Proportional to 652,229.20, 978,343.80 and 333,364.60

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Solution

The fourth proportional to 652,229.20, 978,343.80 and 333,364.60 is: 500,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,229.20 : 978,343.80 = 333,364.60 : x
  2. Step 2: Convert to fraction form
    652,229.20/978,343.80 = 333,364.60/x
  3. Step 3: Cross multiply
    652,229.20x = 978,343.80 × 333,364.60
  4. Step 4: Simplify right side
    652,229.20x = 326,145,189,549.48
  5. Step 5: Solve for x
    x = 326,145,189,549.48/652,229.20
  6. Step 6: Final answer
    x = 500,046.90

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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.