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Finding the Fourth Proportional to 1,971,651, 2,957,179.86 and 551,523

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Solution

The fourth proportional to 1,971,651, 2,957,179.86 and 551,523 is: 827,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,651 : 2,957,179.86 = 551,523 : x
  2. Step 2: Convert to fraction form
    1,971,651/2,957,179.86 = 551,523/x
  3. Step 3: Cross multiply
    1,971,651x = 2,957,179.86 × 551,523
  4. Step 4: Simplify right side
    1,971,651x = 1,630,952,707,926.78
  5. Step 5: Solve for x
    x = 1,630,952,707,926.78/1,971,651
  6. Step 6: Final answer
    x = 827,201.52

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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.