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Finding the Fourth Proportional to 986,329, 1,361,056.46 and 604,303.84

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Solution

The fourth proportional to 986,329, 1,361,056.46 and 604,303.84 is: 833,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,329 : 1,361,056.46 = 604,303.84 : x
  2. Step 2: Convert to fraction form
    986,329/1,361,056.46 = 604,303.84/x
  3. Step 3: Cross multiply
    986,329x = 1,361,056.46 × 604,303.84
  4. Step 4: Simplify right side
    986,329x = 822,491,645,234.81
  5. Step 5: Solve for x
    x = 822,491,645,234.81/986,329
  6. Step 6: Final answer
    x = 833,891.78

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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.