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Finding the Fourth Proportional to 6,229,658.50, 8,596,928.73 and 3,368,090.50

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Solution

The fourth proportional to 6,229,658.50, 8,596,928.73 and 3,368,090.50 is: 4,647,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,229,658.50 : 8,596,928.73 = 3,368,090.50 : x
  2. Step 2: Convert to fraction form
    6,229,658.50/8,596,928.73 = 3,368,090.50/x
  3. Step 3: Cross multiply
    6,229,658.50x = 8,596,928.73 × 3,368,090.50
  4. Step 4: Simplify right side
    6,229,658.50x = 28,955,233,984,690.07
  5. Step 5: Solve for x
    x = 28,955,233,984,690.07/6,229,658.50
  6. Step 6: Final answer
    x = 4,647,964.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.