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Finding the Fourth Proportional to 441,036.78, 608,629.59 and 239,832.78

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Solution

The fourth proportional to 441,036.78, 608,629.59 and 239,832.78 is: 330,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,036.78 : 608,629.59 = 239,832.78 : x
  2. Step 2: Convert to fraction form
    441,036.78/608,629.59 = 239,832.78/x
  3. Step 3: Cross multiply
    441,036.78x = 608,629.59 × 239,832.78
  4. Step 4: Simplify right side
    441,036.78x = 145,969,326,559.96
  5. Step 5: Solve for x
    x = 145,969,326,559.96/441,036.78
  6. Step 6: Final answer
    x = 330,968.60

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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.