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Finding the Fourth Proportional to 6,399,285.80, 9,598,928.70 and 4,698,674.60

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Solution

The fourth proportional to 6,399,285.80, 9,598,928.70 and 4,698,674.60 is: 7,048,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399,285.80 : 9,598,928.70 = 4,698,674.60 : x
  2. Step 2: Convert to fraction form
    6,399,285.80/9,598,928.70 = 4,698,674.60/x
  3. Step 3: Cross multiply
    6,399,285.80x = 9,598,928.70 × 4,698,674.60
  4. Step 4: Simplify right side
    6,399,285.80x = 45,102,242,469,901.02
  5. Step 5: Solve for x
    x = 45,102,242,469,901.02/6,399,285.80
  6. Step 6: Final answer
    x = 7,048,011.90

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Similar ratio
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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.