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Finding the Fourth Proportional to 3,308,231.90, 4,640,972.50 and 3,308,231.90

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Solution

The fourth proportional to 3,308,231.90, 4,640,972.50 and 3,308,231.90 is: 4,640,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308,231.90 : 4,640,972.50 = 3,308,231.90 : x
  2. Step 2: Convert to fraction form
    3,308,231.90/4,640,972.50 = 3,308,231.90/x
  3. Step 3: Cross multiply
    3,308,231.90x = 4,640,972.50 × 3,308,231.90
  4. Step 4: Simplify right side
    3,308,231.90x = 15,353,413,271,522.75
  5. Step 5: Solve for x
    x = 15,353,413,271,522.75/3,308,231.90
  6. Step 6: Final answer
    x = 4,640,972.50

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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.