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Finding the Fourth Proportional to 1,047,978, 1,446,209.64 and 571,050

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Solution

The fourth proportional to 1,047,978, 1,446,209.64 and 571,050 is: 788,049

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,978 : 1,446,209.64 = 571,050 : x
  2. Step 2: Convert to fraction form
    1,047,978/1,446,209.64 = 571,050/x
  3. Step 3: Cross multiply
    1,047,978x = 1,446,209.64 × 571,050
  4. Step 4: Simplify right side
    1,047,978x = 825,858,014,922
  5. Step 5: Solve for x
    x = 825,858,014,922/1,047,978
  6. Step 6: Final answer
    x = 788,049

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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.