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Finding the Fourth Proportional to 6,474,311.40, 9,047,239.80 and 6,474,311.40

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Solution

The fourth proportional to 6,474,311.40, 9,047,239.80 and 6,474,311.40 is: 9,047,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,311.40 : 9,047,239.80 = 6,474,311.40 : x
  2. Step 2: Convert to fraction form
    6,474,311.40/9,047,239.80 = 6,474,311.40/x
  3. Step 3: Cross multiply
    6,474,311.40x = 9,047,239.80 × 6,474,311.40
  4. Step 4: Simplify right side
    6,474,311.40x = 58,574,647,775,673.73
  5. Step 5: Solve for x
    x = 58,574,647,775,673.73/6,474,311.40
  6. Step 6: Final answer
    x = 9,047,239.80

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1.5x scale

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.