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Finding the Fourth Proportional to 539,327.88, 744,274.62 and 297,617.40

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Solution

The fourth proportional to 539,327.88, 744,274.62 and 297,617.40 is: 410,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,327.88 : 744,274.62 = 297,617.40 : x
  2. Step 2: Convert to fraction form
    539,327.88/744,274.62 = 297,617.40/x
  3. Step 3: Cross multiply
    539,327.88x = 744,274.62 × 297,617.40
  4. Step 4: Simplify right side
    539,327.88x = 221,509,077,290.39
  5. Step 5: Solve for x
    x = 221,509,077,290.39/539,327.88
  6. Step 6: Final answer
    x = 410,713.20

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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.