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Finding the Fourth Proportional to 576,114.60, 862,203.60 and 505,255.80

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Solution

The fourth proportional to 576,114.60, 862,203.60 and 505,255.80 is: 756,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,114.60 : 862,203.60 = 505,255.80 : x
  2. Step 2: Convert to fraction form
    576,114.60/862,203.60 = 505,255.80/x
  3. Step 3: Cross multiply
    576,114.60x = 862,203.60 × 505,255.80
  4. Step 4: Simplify right side
    576,114.60x = 435,633,369,680.88
  5. Step 5: Solve for x
    x = 435,633,369,680.88/576,114.60
  6. Step 6: Final answer
    x = 756,157.49

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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.