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Finding the Fourth Proportional to 652,094.40, 978,627.60 and 336,388.80

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Solution

The fourth proportional to 652,094.40, 978,627.60 and 336,388.80 is: 504,833.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,094.40 : 978,627.60 = 336,388.80 : x
  2. Step 2: Convert to fraction form
    652,094.40/978,627.60 = 336,388.80/x
  3. Step 3: Cross multiply
    652,094.40x = 978,627.60 × 336,388.80
  4. Step 4: Simplify right side
    652,094.40x = 329,199,364,010.88
  5. Step 5: Solve for x
    x = 329,199,364,010.88/652,094.40
  6. Step 6: Final answer
    x = 504,833.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.