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Finding the Fourth Proportional to 984,969.70, 1,477,454.55 and 667,708.90

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Solution

The fourth proportional to 984,969.70, 1,477,454.55 and 667,708.90 is: 1,001,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,969.70 : 1,477,454.55 = 667,708.90 : x
  2. Step 2: Convert to fraction form
    984,969.70/1,477,454.55 = 667,708.90/x
  3. Step 3: Cross multiply
    984,969.70x = 1,477,454.55 × 667,708.90
  4. Step 4: Simplify right side
    984,969.70x = 986,509,552,380.50
  5. Step 5: Solve for x
    x = 986,509,552,380.50/984,969.70
  6. Step 6: Final answer
    x = 1,001,563.35

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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.