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Finding the Fourth Proportional to 404,120.40, 606,180.60 and 264,037.20

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Solution

The fourth proportional to 404,120.40, 606,180.60 and 264,037.20 is: 396,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,120.40 : 606,180.60 = 264,037.20 : x
  2. Step 2: Convert to fraction form
    404,120.40/606,180.60 = 264,037.20/x
  3. Step 3: Cross multiply
    404,120.40x = 606,180.60 × 264,037.20
  4. Step 4: Simplify right side
    404,120.40x = 160,054,228,318.32
  5. Step 5: Solve for x
    x = 160,054,228,318.32/404,120.40
  6. Step 6: Final answer
    x = 396,055.80

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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.