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Finding the Fourth Proportional to 401,886.80, 603,425.40 and 224,747.60

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Solution

The fourth proportional to 401,886.80, 603,425.40 and 224,747.60 is: 337,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,886.80 : 603,425.40 = 224,747.60 : x
  2. Step 2: Convert to fraction form
    401,886.80/603,425.40 = 224,747.60/x
  3. Step 3: Cross multiply
    401,886.80x = 603,425.40 × 224,747.60
  4. Step 4: Simplify right side
    401,886.80x = 135,618,410,429.04
  5. Step 5: Solve for x
    x = 135,618,410,429.04/401,886.80
  6. Step 6: Final answer
    x = 337,454.25

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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.