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Finding the Fourth Proportional to 2,656,530, 3,984,795 and 883,602

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Solution

The fourth proportional to 2,656,530, 3,984,795 and 883,602 is: 1,325,403

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656,530 : 3,984,795 = 883,602 : x
  2. Step 2: Convert to fraction form
    2,656,530/3,984,795 = 883,602/x
  3. Step 3: Cross multiply
    2,656,530x = 3,984,795 × 883,602
  4. Step 4: Simplify right side
    2,656,530x = 3,520,972,831,590
  5. Step 5: Solve for x
    x = 3,520,972,831,590/2,656,530
  6. Step 6: Final answer
    x = 1,325,403

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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.