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Finding the Fourth Proportional to 608,469.60, 910,954.80 and 372,273.60

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Solution

The fourth proportional to 608,469.60, 910,954.80 and 372,273.60 is: 557,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,469.60 : 910,954.80 = 372,273.60 : x
  2. Step 2: Convert to fraction form
    608,469.60/910,954.80 = 372,273.60/x
  3. Step 3: Cross multiply
    608,469.60x = 910,954.80 × 372,273.60
  4. Step 4: Simplify right side
    608,469.60x = 339,124,422,833.28
  5. Step 5: Solve for x
    x = 339,124,422,833.28/608,469.60
  6. Step 6: Final answer
    x = 557,339.96

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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.