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Finding the Fourth Proportional to 6,164,576.80, 9,246,865.20 and 4,369,487.20

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Solution

The fourth proportional to 6,164,576.80, 9,246,865.20 and 4,369,487.20 is: 6,554,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,164,576.80 : 9,246,865.20 = 4,369,487.20 : x
  2. Step 2: Convert to fraction form
    6,164,576.80/9,246,865.20 = 4,369,487.20/x
  3. Step 3: Cross multiply
    6,164,576.80x = 9,246,865.20 × 4,369,487.20
  4. Step 4: Simplify right side
    6,164,576.80x = 40,404,059,131,525.44
  5. Step 5: Solve for x
    x = 40,404,059,131,525.44/6,164,576.80
  6. Step 6: Final answer
    x = 6,554,230.80

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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.