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Finding the Fourth Proportional to 539,198.88, 744,089.64 and 297,483.60

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Solution

The fourth proportional to 539,198.88, 744,089.64 and 297,483.60 is: 410,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,198.88 : 744,089.64 = 297,483.60 : x
  2. Step 2: Convert to fraction form
    539,198.88/744,089.64 = 297,483.60/x
  3. Step 3: Cross multiply
    539,198.88x = 744,089.64 × 297,483.60
  4. Step 4: Simplify right side
    539,198.88x = 221,354,464,829.90
  5. Step 5: Solve for x
    x = 221,354,464,829.90/539,198.88
  6. Step 6: Final answer
    x = 410,524.71

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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.