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Finding the Fourth Proportional to 2,078,957, 3,118,435.62 and 503,021

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Solution

The fourth proportional to 2,078,957, 3,118,435.62 and 503,021 is: 754,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,957 : 3,118,435.62 = 503,021 : x
  2. Step 2: Convert to fraction form
    2,078,957/3,118,435.62 = 503,021/x
  3. Step 3: Cross multiply
    2,078,957x = 3,118,435.62 × 503,021
  4. Step 4: Simplify right side
    2,078,957x = 1,568,638,604,008.02
  5. Step 5: Solve for x
    x = 1,568,638,604,008.02/2,078,957
  6. Step 6: Final answer
    x = 754,531.53

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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.