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Finding the Fourth Proportional to 984,701.40, 1,375,782.60 and 984,701.40

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Solution

The fourth proportional to 984,701.40, 1,375,782.60 and 984,701.40 is: 1,375,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,701.40 : 1,375,782.60 = 984,701.40 : x
  2. Step 2: Convert to fraction form
    984,701.40/1,375,782.60 = 984,701.40/x
  3. Step 3: Cross multiply
    984,701.40x = 1,375,782.60 × 984,701.40
  4. Step 4: Simplify right side
    984,701.40x = 1,354,735,052,315.64
  5. Step 5: Solve for x
    x = 1,354,735,052,315.64/984,701.40
  6. Step 6: Final answer
    x = 1,375,782.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.