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Finding the Fourth Proportional to 360,056.44, 539,959.58 and 200,376.05

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Solution

The fourth proportional to 360,056.44, 539,959.58 and 200,376.05 is: 300,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,056.44 : 539,959.58 = 200,376.05 : x
  2. Step 2: Convert to fraction form
    360,056.44/539,959.58 = 200,376.05/x
  3. Step 3: Cross multiply
    360,056.44x = 539,959.58 × 200,376.05
  4. Step 4: Simplify right side
    360,056.44x = 108,194,965,601.20
  5. Step 5: Solve for x
    x = 108,194,965,601.20/360,056.44
  6. Step 6: Final answer
    x = 300,494.46

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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.