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Finding the Fourth Proportional to 984,652.20, 1,476,978.30 and 585,087.30

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Solution

The fourth proportional to 984,652.20, 1,476,978.30 and 585,087.30 is: 877,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,652.20 : 1,476,978.30 = 585,087.30 : x
  2. Step 2: Convert to fraction form
    984,652.20/1,476,978.30 = 585,087.30/x
  3. Step 3: Cross multiply
    984,652.20x = 1,476,978.30 × 585,087.30
  4. Step 4: Simplify right side
    984,652.20x = 864,161,245,705.59
  5. Step 5: Solve for x
    x = 864,161,245,705.59/984,652.20
  6. Step 6: Final answer
    x = 877,630.95

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Similar ratio
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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.