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Finding the Fourth Proportional to 404,866.20, 607,007.70 and 227,427.60

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Solution

The fourth proportional to 404,866.20, 607,007.70 and 227,427.60 is: 340,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,866.20 : 607,007.70 = 227,427.60 : x
  2. Step 2: Convert to fraction form
    404,866.20/607,007.70 = 227,427.60/x
  3. Step 3: Cross multiply
    404,866.20x = 607,007.70 × 227,427.60
  4. Step 4: Simplify right side
    404,866.20x = 138,050,304,392.52
  5. Step 5: Solve for x
    x = 138,050,304,392.52/404,866.20
  6. Step 6: Final answer
    x = 340,977.60

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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.