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Finding the Fourth Proportional to 404,355.80, 605,877.60 and 254,327.60

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Solution

The fourth proportional to 404,355.80, 605,877.60 and 254,327.60 is: 381,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,355.80 : 605,877.60 = 254,327.60 : x
  2. Step 2: Convert to fraction form
    404,355.80/605,877.60 = 254,327.60/x
  3. Step 3: Cross multiply
    404,355.80x = 605,877.60 × 254,327.60
  4. Step 4: Simplify right side
    404,355.80x = 154,091,395,901.76
  5. Step 5: Solve for x
    x = 154,091,395,901.76/404,355.80
  6. Step 6: Final answer
    x = 381,078.73

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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.