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Finding the Fourth Proportional to 594,721.82, 820,482.54 and 339,936.32

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Solution

The fourth proportional to 594,721.82, 820,482.54 and 339,936.32 is: 468,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,721.82 : 820,482.54 = 339,936.32 : x
  2. Step 2: Convert to fraction form
    594,721.82/820,482.54 = 339,936.32/x
  3. Step 3: Cross multiply
    594,721.82x = 820,482.54 × 339,936.32
  4. Step 4: Simplify right side
    594,721.82x = 278,911,815,271.85
  5. Step 5: Solve for x
    x = 278,911,815,271.85/594,721.82
  6. Step 6: Final answer
    x = 468,978.61

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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.