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Finding the Fourth Proportional to 519,539.40, 779,114.70 and 182,449.80

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Solution

The fourth proportional to 519,539.40, 779,114.70 and 182,449.80 is: 273,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,539.40 : 779,114.70 = 182,449.80 : x
  2. Step 2: Convert to fraction form
    519,539.40/779,114.70 = 182,449.80/x
  3. Step 3: Cross multiply
    519,539.40x = 779,114.70 × 182,449.80
  4. Step 4: Simplify right side
    519,539.40x = 142,149,321,192.06
  5. Step 5: Solve for x
    x = 142,149,321,192.06/519,539.40
  6. Step 6: Final answer
    x = 273,606.43

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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.