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Finding the Fourth Proportional to 608,143.42, 839,164.95 and 336,174.44

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Solution

The fourth proportional to 608,143.42, 839,164.95 and 336,174.44 is: 463,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,143.42 : 839,164.95 = 336,174.44 : x
  2. Step 2: Convert to fraction form
    608,143.42/839,164.95 = 336,174.44/x
  3. Step 3: Cross multiply
    608,143.42x = 839,164.95 × 336,174.44
  4. Step 4: Simplify right side
    608,143.42x = 282,105,809,231.79
  5. Step 5: Solve for x
    x = 282,105,809,231.79/608,143.42
  6. Step 6: Final answer
    x = 463,880.40

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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.