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Finding the Fourth Proportional to 1,860,237.07, 2,788,936.34 and 848,651.59

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Solution

The fourth proportional to 1,860,237.07, 2,788,936.34 and 848,651.59 is: 1,272,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,237.07 : 2,788,936.34 = 848,651.59 : x
  2. Step 2: Convert to fraction form
    1,860,237.07/2,788,936.34 = 848,651.59/x
  3. Step 3: Cross multiply
    1,860,237.07x = 2,788,936.34 × 848,651.59
  4. Step 4: Simplify right side
    1,860,237.07x = 2,366,835,245,291.76
  5. Step 5: Solve for x
    x = 2,366,835,245,291.76/1,860,237.07
  6. Step 6: Final answer
    x = 1,272,329.90

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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.