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Finding the Fourth Proportional to 1,965,823.02, 2,948,735.73 and 545,879.25

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Solution

The fourth proportional to 1,965,823.02, 2,948,735.73 and 545,879.25 is: 818,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,823.02 : 2,948,735.73 = 545,879.25 : x
  2. Step 2: Convert to fraction form
    1,965,823.02/2,948,735.73 = 545,879.25/x
  3. Step 3: Cross multiply
    1,965,823.02x = 2,948,735.73 × 545,879.25
  4. Step 4: Simplify right side
    1,965,823.02x = 1,609,653,648,740.60
  5. Step 5: Solve for x
    x = 1,609,653,648,740.60/1,965,823.02
  6. Step 6: Final answer
    x = 818,819.21

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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.