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Finding the Fourth Proportional to 622,811.20, 934,216.80 and 482,843.20

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Solution

The fourth proportional to 622,811.20, 934,216.80 and 482,843.20 is: 724,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,811.20 : 934,216.80 = 482,843.20 : x
  2. Step 2: Convert to fraction form
    622,811.20/934,216.80 = 482,843.20/x
  3. Step 3: Cross multiply
    622,811.20x = 934,216.80 × 482,843.20
  4. Step 4: Simplify right side
    622,811.20x = 451,080,229,205.76
  5. Step 5: Solve for x
    x = 451,080,229,205.76/622,811.20
  6. Step 6: Final answer
    x = 724,264.80

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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.