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Finding the Fourth Proportional to 539,116.94, 743,969.48 and 297,399.72

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Solution

The fourth proportional to 539,116.94, 743,969.48 and 297,399.72 is: 410,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,116.94 : 743,969.48 = 297,399.72 : x
  2. Step 2: Convert to fraction form
    539,116.94/743,969.48 = 297,399.72/x
  3. Step 3: Cross multiply
    539,116.94x = 743,969.48 × 297,399.72
  4. Step 4: Simplify right side
    539,116.94x = 221,256,315,040.55
  5. Step 5: Solve for x
    x = 221,256,315,040.55/539,116.94
  6. Step 6: Final answer
    x = 410,405.05

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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.