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Finding the Fourth Proportional to 3,063,836, 4,595,754 and 819,915.68

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Solution

The fourth proportional to 3,063,836, 4,595,754 and 819,915.68 is: 1,229,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063,836 : 4,595,754 = 819,915.68 : x
  2. Step 2: Convert to fraction form
    3,063,836/4,595,754 = 819,915.68/x
  3. Step 3: Cross multiply
    3,063,836x = 4,595,754 × 819,915.68
  4. Step 4: Simplify right side
    3,063,836x = 3,768,130,766,022.72
  5. Step 5: Solve for x
    x = 3,768,130,766,022.72/3,063,836
  6. Step 6: Final answer
    x = 1,229,873.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.