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Finding the Fourth Proportional to 627,308.55, 940,998.89 and 177,994.26

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Solution

The fourth proportional to 627,308.55, 940,998.89 and 177,994.26 is: 267,001.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,308.55 : 940,998.89 = 177,994.26 : x
  2. Step 2: Convert to fraction form
    627,308.55/940,998.89 = 177,994.26/x
  3. Step 3: Cross multiply
    627,308.55x = 940,998.89 × 177,994.26
  4. Step 4: Simplify right side
    627,308.55x = 167,492,400,196.40
  5. Step 5: Solve for x
    x = 167,492,400,196.40/627,308.55
  6. Step 6: Final answer
    x = 267,001.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.