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Finding the Fourth Proportional to 1,999,054, 2,998,578.62 and 651,214.42

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Solution

The fourth proportional to 1,999,054, 2,998,578.62 and 651,214.42 is: 976,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,054 : 2,998,578.62 = 651,214.42 : x
  2. Step 2: Convert to fraction form
    1,999,054/2,998,578.62 = 651,214.42/x
  3. Step 3: Cross multiply
    1,999,054x = 2,998,578.62 × 651,214.42
  4. Step 4: Simplify right side
    1,999,054x = 1,952,717,636,847.70
  5. Step 5: Solve for x
    x = 1,952,717,636,847.70/1,999,054
  6. Step 6: Final answer
    x = 976,820.85

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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.