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Finding the Fourth Proportional to 1,860,236.59, 2,788,935.61 and 848,651.10

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Solution

The fourth proportional to 1,860,236.59, 2,788,935.61 and 848,651.10 is: 1,272,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,236.59 : 2,788,935.61 = 848,651.10 : x
  2. Step 2: Convert to fraction form
    1,860,236.59/2,788,935.61 = 848,651.10/x
  3. Step 3: Cross multiply
    1,860,236.59x = 2,788,935.61 × 848,651.10
  4. Step 4: Simplify right side
    1,860,236.59x = 2,366,833,273,255.67
  5. Step 5: Solve for x
    x = 2,366,833,273,255.67/1,860,236.59
  6. Step 6: Final answer
    x = 1,272,329.17

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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.