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Finding the Fourth Proportional to 1,721,573, 2,582,774.22 and 539,621

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Solution

The fourth proportional to 1,721,573, 2,582,774.22 and 539,621 is: 809,561.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,573 : 2,582,774.22 = 539,621 : x
  2. Step 2: Convert to fraction form
    1,721,573/2,582,774.22 = 539,621/x
  3. Step 3: Cross multiply
    1,721,573x = 2,582,774.22 × 539,621
  4. Step 4: Simplify right side
    1,721,573x = 1,393,719,207,370.62
  5. Step 5: Solve for x
    x = 1,393,719,207,370.62/1,721,573
  6. Step 6: Final answer
    x = 809,561.49

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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.