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Finding the Fourth Proportional to 1,191,969, 1,644,917.22 and 655,425

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Solution

The fourth proportional to 1,191,969, 1,644,917.22 and 655,425 is: 904,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,969 : 1,644,917.22 = 655,425 : x
  2. Step 2: Convert to fraction form
    1,191,969/1,644,917.22 = 655,425/x
  3. Step 3: Cross multiply
    1,191,969x = 1,644,917.22 × 655,425
  4. Step 4: Simplify right side
    1,191,969x = 1,078,119,868,918.50
  5. Step 5: Solve for x
    x = 1,078,119,868,918.50/1,191,969
  6. Step 6: Final answer
    x = 904,486.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.