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Finding the Fourth Proportional to 594,685.92, 820,465.56 and 339,855.60

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Solution

The fourth proportional to 594,685.92, 820,465.56 and 339,855.60 is: 468,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,685.92 : 820,465.56 = 339,855.60 : x
  2. Step 2: Convert to fraction form
    594,685.92/820,465.56 = 339,855.60/x
  3. Step 3: Cross multiply
    594,685.92x = 820,465.56 × 339,855.60
  4. Step 4: Simplify right side
    594,685.92x = 278,839,815,173.14
  5. Step 5: Solve for x
    x = 278,839,815,173.14/594,685.92
  6. Step 6: Final answer
    x = 468,885.85

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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.