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Finding the Fourth Proportional to 677,236.80, 1,015,863.84 and 466,818.24

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Solution

The fourth proportional to 677,236.80, 1,015,863.84 and 466,818.24 is: 700,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,236.80 : 1,015,863.84 = 466,818.24 : x
  2. Step 2: Convert to fraction form
    677,236.80/1,015,863.84 = 466,818.24/x
  3. Step 3: Cross multiply
    677,236.80x = 1,015,863.84 × 466,818.24
  4. Step 4: Simplify right side
    677,236.80x = 474,223,769,868.44
  5. Step 5: Solve for x
    x = 474,223,769,868.44/677,236.80
  6. Step 6: Final answer
    x = 700,233.32

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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.