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Finding the Fourth Proportional to 539,611.07, 744,664.37 and 297,893.97

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Solution

The fourth proportional to 539,611.07, 744,664.37 and 297,893.97 is: 411,094.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,611.07 : 744,664.37 = 297,893.97 : x
  2. Step 2: Convert to fraction form
    539,611.07/744,664.37 = 297,893.97/x
  3. Step 3: Cross multiply
    539,611.07x = 744,664.37 × 297,893.97
  4. Step 4: Simplify right side
    539,611.07x = 221,831,026,241.58
  5. Step 5: Solve for x
    x = 221,831,026,241.58/539,611.07
  6. Step 6: Final answer
    x = 411,094.29

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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.