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Finding the Fourth Proportional to 539,618.56, 809,515.44 and 202,685.44

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Solution

The fourth proportional to 539,618.56, 809,515.44 and 202,685.44 is: 304,061.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,618.56 : 809,515.44 = 202,685.44 : x
  2. Step 2: Convert to fraction form
    539,618.56/809,515.44 = 202,685.44/x
  3. Step 3: Cross multiply
    539,618.56x = 809,515.44 × 202,685.44
  4. Step 4: Simplify right side
    539,618.56x = 164,076,993,143.19
  5. Step 5: Solve for x
    x = 164,076,993,143.19/539,618.56
  6. Step 6: Final answer
    x = 304,061.06

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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.