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Finding the Fourth Proportional to 594,368.91, 820,229.09 and 339,725.57

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Solution

The fourth proportional to 594,368.91, 820,229.09 and 339,725.57 is: 468,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,368.91 : 820,229.09 = 339,725.57 : x
  2. Step 2: Convert to fraction form
    594,368.91/820,229.09 = 339,725.57/x
  3. Step 3: Cross multiply
    594,368.91x = 820,229.09 × 339,725.57
  4. Step 4: Simplify right side
    594,368.91x = 278,652,795,130.83
  5. Step 5: Solve for x
    x = 278,652,795,130.83/594,368.91
  6. Step 6: Final answer
    x = 468,821.28

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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.