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Finding the Fourth Proportional to 2,847,927, 4,272,590.37 and 853,383

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Solution

The fourth proportional to 2,847,927, 4,272,590.37 and 853,383 is: 1,280,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,927 : 4,272,590.37 = 853,383 : x
  2. Step 2: Convert to fraction form
    2,847,927/4,272,590.37 = 853,383/x
  3. Step 3: Cross multiply
    2,847,927x = 4,272,590.37 × 853,383
  4. Step 4: Simplify right side
    2,847,927x = 3,646,155,987,721.71
  5. Step 5: Solve for x
    x = 3,646,155,987,721.71/2,847,927
  6. Step 6: Final answer
    x = 1,280,284.22

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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.