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Finding the Fourth Proportional to 444,387.78, 613,080.64 and 258,087.52

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Solution

The fourth proportional to 444,387.78, 613,080.64 and 258,087.52 is: 356,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,387.78 : 613,080.64 = 258,087.52 : x
  2. Step 2: Convert to fraction form
    444,387.78/613,080.64 = 258,087.52/x
  3. Step 3: Cross multiply
    444,387.78x = 613,080.64 × 258,087.52
  4. Step 4: Simplify right side
    444,387.78x = 158,228,463,268.84
  5. Step 5: Solve for x
    x = 158,228,463,268.84/444,387.78
  6. Step 6: Final answer
    x = 356,059.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.