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Finding the Fourth Proportional to 404,260.80, 605,735.10 and 254,232.60

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Solution

The fourth proportional to 404,260.80, 605,735.10 and 254,232.60 is: 380,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,260.80 : 605,735.10 = 254,232.60 : x
  2. Step 2: Convert to fraction form
    404,260.80/605,735.10 = 254,232.60/x
  3. Step 3: Cross multiply
    404,260.80x = 605,735.10 × 254,232.60
  4. Step 4: Simplify right side
    404,260.80x = 153,997,609,384.26
  5. Step 5: Solve for x
    x = 153,997,609,384.26/404,260.80
  6. Step 6: Final answer
    x = 380,936.29

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1.5x scale

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.