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Finding the Fourth Proportional to 404,903.20, 607,063.20 and 227,464.60

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Solution

The fourth proportional to 404,903.20, 607,063.20 and 227,464.60 is: 341,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,903.20 : 607,063.20 = 227,464.60 : x
  2. Step 2: Convert to fraction form
    404,903.20/607,063.20 = 227,464.60/x
  3. Step 3: Cross multiply
    404,903.20x = 607,063.20 × 227,464.60
  4. Step 4: Simplify right side
    404,903.20x = 138,085,387,962.72
  5. Step 5: Solve for x
    x = 138,085,387,962.72/404,903.20
  6. Step 6: Final answer
    x = 341,033.09

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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.