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Finding the Fourth Proportional to 704,745.57, 972,556.02 and 382,458.45

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Solution

The fourth proportional to 704,745.57, 972,556.02 and 382,458.45 is: 527,796.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,745.57 : 972,556.02 = 382,458.45 : x
  2. Step 2: Convert to fraction form
    704,745.57/972,556.02 = 382,458.45/x
  3. Step 3: Cross multiply
    704,745.57x = 972,556.02 × 382,458.45
  4. Step 4: Simplify right side
    704,745.57x = 371,962,267,947.37
  5. Step 5: Solve for x
    x = 371,962,267,947.37/704,745.57
  6. Step 6: Final answer
    x = 527,796.53

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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.