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Finding the Fourth Proportional to 444,290.40, 613,119.60 and 243,086.40

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Solution

The fourth proportional to 444,290.40, 613,119.60 and 243,086.40 is: 335,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,290.40 : 613,119.60 = 243,086.40 : x
  2. Step 2: Convert to fraction form
    444,290.40/613,119.60 = 243,086.40/x
  3. Step 3: Cross multiply
    444,290.40x = 613,119.60 × 243,086.40
  4. Step 4: Simplify right side
    444,290.40x = 149,041,036,333.44
  5. Step 5: Solve for x
    x = 149,041,036,333.44/444,290.40
  6. Step 6: Final answer
    x = 335,458.60

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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.