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Finding the Fourth Proportional to 613,392.49, 846,898.27 and 384,042.48

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Solution

The fourth proportional to 613,392.49, 846,898.27 and 384,042.48 is: 530,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,392.49 : 846,898.27 = 384,042.48 : x
  2. Step 2: Convert to fraction form
    613,392.49/846,898.27 = 384,042.48/x
  3. Step 3: Cross multiply
    613,392.49x = 846,898.27 × 384,042.48
  4. Step 4: Simplify right side
    613,392.49x = 325,244,907,782.54
  5. Step 5: Solve for x
    x = 325,244,907,782.54/613,392.49
  6. Step 6: Final answer
    x = 530,239.47

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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.