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Finding the Fourth Proportional to 576,716.88, 863,868.96 and 463,785.60

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Solution

The fourth proportional to 576,716.88, 863,868.96 and 463,785.60 is: 694,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,716.88 : 863,868.96 = 463,785.60 : x
  2. Step 2: Convert to fraction form
    576,716.88/863,868.96 = 463,785.60/x
  3. Step 3: Cross multiply
    576,716.88x = 863,868.96 × 463,785.60
  4. Step 4: Simplify right side
    576,716.88x = 400,649,983,934.98
  5. Step 5: Solve for x
    x = 400,649,983,934.98/576,716.88
  6. Step 6: Final answer
    x = 694,708.27

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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.