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Finding the Fourth Proportional to 539,268.28, 744,205.81 and 297,566.43

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Solution

The fourth proportional to 539,268.28, 744,205.81 and 297,566.43 is: 410,650.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,268.28 : 744,205.81 = 297,566.43 : x
  2. Step 2: Convert to fraction form
    539,268.28/744,205.81 = 297,566.43/x
  3. Step 3: Cross multiply
    539,268.28x = 744,205.81 × 297,566.43
  4. Step 4: Simplify right side
    539,268.28x = 221,450,663,090.21
  5. Step 5: Solve for x
    x = 221,450,663,090.21/539,268.28
  6. Step 6: Final answer
    x = 410,650.26

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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.