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Finding the Fourth Proportional to 576,311.54, 795,236.57 and 321,673.46

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Solution

The fourth proportional to 576,311.54, 795,236.57 and 321,673.46 is: 443,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,311.54 : 795,236.57 = 321,673.46 : x
  2. Step 2: Convert to fraction form
    576,311.54/795,236.57 = 321,673.46/x
  3. Step 3: Cross multiply
    576,311.54x = 795,236.57 × 321,673.46
  4. Step 4: Simplify right side
    576,311.54x = 255,806,497,382.07
  5. Step 5: Solve for x
    x = 255,806,497,382.07/576,311.54
  6. Step 6: Final answer
    x = 443,868.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.