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Finding the Fourth Proportional to 1,226,259.09, 1,850,907.23 and 1,226,259.09

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Solution

The fourth proportional to 1,226,259.09, 1,850,907.23 and 1,226,259.09 is: 1,850,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,259.09 : 1,850,907.23 = 1,226,259.09 : x
  2. Step 2: Convert to fraction form
    1,226,259.09/1,850,907.23 = 1,226,259.09/x
  3. Step 3: Cross multiply
    1,226,259.09x = 1,850,907.23 × 1,226,259.09
  4. Step 4: Simplify right side
    1,226,259.09x = 2,269,691,809,402.93
  5. Step 5: Solve for x
    x = 2,269,691,809,402.93/1,226,259.09
  6. Step 6: Final answer
    x = 1,850,907.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.