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Finding the Fourth Proportional to 608,390.46, 839,325.14 and 350,205.63

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Solution

The fourth proportional to 608,390.46, 839,325.14 and 350,205.63 is: 483,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,390.46 : 839,325.14 = 350,205.63 : x
  2. Step 2: Convert to fraction form
    608,390.46/839,325.14 = 350,205.63/x
  3. Step 3: Cross multiply
    608,390.46x = 839,325.14 × 350,205.63
  4. Step 4: Simplify right side
    608,390.46x = 293,936,385,231.91
  5. Step 5: Solve for x
    x = 293,936,385,231.91/608,390.46
  6. Step 6: Final answer
    x = 483,137.73

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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.