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Finding the Fourth Proportional to 539,183.56, 744,075.78 and 297,466

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Solution

The fourth proportional to 539,183.56, 744,075.78 and 297,466 is: 410,504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,183.56 : 744,075.78 = 297,466 : x
  2. Step 2: Convert to fraction form
    539,183.56/744,075.78 = 297,466/x
  3. Step 3: Cross multiply
    539,183.56x = 744,075.78 × 297,466
  4. Step 4: Simplify right side
    539,183.56x = 221,337,245,973.48
  5. Step 5: Solve for x
    x = 221,337,245,973.48/539,183.56
  6. Step 6: Final answer
    x = 410,504.44

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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.