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Finding the Fourth Proportional to 3,288,823.76, 4,933,233.21 and 893,019.94

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Solution

The fourth proportional to 3,288,823.76, 4,933,233.21 and 893,019.94 is: 1,339,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288,823.76 : 4,933,233.21 = 893,019.94 : x
  2. Step 2: Convert to fraction form
    3,288,823.76/4,933,233.21 = 893,019.94/x
  3. Step 3: Cross multiply
    3,288,823.76x = 4,933,233.21 × 893,019.94
  4. Step 4: Simplify right side
    3,288,823.76x = 4,405,475,616,215.95
  5. Step 5: Solve for x
    x = 4,405,475,616,215.95/3,288,823.76
  6. Step 6: Final answer
    x = 1,339,529.25

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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.