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Finding the Fourth Proportional to 608,266.33, 839,373.64 and 336,317.87

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Solution

The fourth proportional to 608,266.33, 839,373.64 and 336,317.87 is: 464,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,266.33 : 839,373.64 = 336,317.87 : x
  2. Step 2: Convert to fraction form
    608,266.33/839,373.64 = 336,317.87/x
  3. Step 3: Cross multiply
    608,266.33x = 839,373.64 × 336,317.87
  4. Step 4: Simplify right side
    608,266.33x = 282,296,355,996.59
  5. Step 5: Solve for x
    x = 282,296,355,996.59/608,266.33
  6. Step 6: Final answer
    x = 464,099.92

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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.