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Finding the Fourth Proportional to 2,986,800.90, 4,480,201.35 and 2,986,800.90

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Solution

The fourth proportional to 2,986,800.90, 4,480,201.35 and 2,986,800.90 is: 4,480,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,800.90 : 4,480,201.35 = 2,986,800.90 : x
  2. Step 2: Convert to fraction form
    2,986,800.90/4,480,201.35 = 2,986,800.90/x
  3. Step 3: Cross multiply
    2,986,800.90x = 4,480,201.35 × 2,986,800.90
  4. Step 4: Simplify right side
    2,986,800.90x = 13,381,469,424,361.21
  5. Step 5: Solve for x
    x = 13,381,469,424,361.21/2,986,800.90
  6. Step 6: Final answer
    x = 4,480,201.35

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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.