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Finding the Fourth Proportional to 3,312,496.73, 4,968,745.77 and 1,038,020.68

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Solution

The fourth proportional to 3,312,496.73, 4,968,745.77 and 1,038,020.68 is: 1,557,031.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,496.73 : 4,968,745.77 = 1,038,020.68 : x
  2. Step 2: Convert to fraction form
    3,312,496.73/4,968,745.77 = 1,038,020.68/x
  3. Step 3: Cross multiply
    3,312,496.73x = 4,968,745.77 × 1,038,020.68
  4. Step 4: Simplify right side
    3,312,496.73x = 5,157,660,862,922.52
  5. Step 5: Solve for x
    x = 5,157,660,862,922.52/3,312,496.73
  6. Step 6: Final answer
    x = 1,557,031.23

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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.