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Finding the Fourth Proportional to 2,934,982.20, 4,114,573.80 and 2,934,982.20

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Solution

The fourth proportional to 2,934,982.20, 4,114,573.80 and 2,934,982.20 is: 4,114,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,982.20 : 4,114,573.80 = 2,934,982.20 : x
  2. Step 2: Convert to fraction form
    2,934,982.20/4,114,573.80 = 2,934,982.20/x
  3. Step 3: Cross multiply
    2,934,982.20x = 4,114,573.80 × 2,934,982.20
  4. Step 4: Simplify right side
    2,934,982.20x = 12,076,200,863,586.36
  5. Step 5: Solve for x
    x = 12,076,200,863,586.36/2,934,982.20
  6. Step 6: Final answer
    x = 4,114,573.80

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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.