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Finding the Fourth Proportional to 401,866.80, 603,395.40 and 224,727.60

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Solution

The fourth proportional to 401,866.80, 603,395.40 and 224,727.60 is: 337,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,866.80 : 603,395.40 = 224,727.60 : x
  2. Step 2: Convert to fraction form
    401,866.80/603,395.40 = 224,727.60/x
  3. Step 3: Cross multiply
    401,866.80x = 603,395.40 × 224,727.60
  4. Step 4: Simplify right side
    401,866.80x = 135,599,600,093.04
  5. Step 5: Solve for x
    x = 135,599,600,093.04/401,866.80
  6. Step 6: Final answer
    x = 337,424.24

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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.