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Finding the Fourth Proportional to 594,860.58, 820,820.94 and 340,162.56

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Solution

The fourth proportional to 594,860.58, 820,820.94 and 340,162.56 is: 469,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,860.58 : 820,820.94 = 340,162.56 : x
  2. Step 2: Convert to fraction form
    594,860.58/820,820.94 = 340,162.56/x
  3. Step 3: Cross multiply
    594,860.58x = 820,820.94 × 340,162.56
  4. Step 4: Simplify right side
    594,860.58x = 279,212,552,252.01
  5. Step 5: Solve for x
    x = 279,212,552,252.01/594,860.58
  6. Step 6: Final answer
    x = 469,374.78

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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.