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Finding the Fourth Proportional to 907,799.60, 1,361,699.40 and 627,863.60

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Solution

The fourth proportional to 907,799.60, 1,361,699.40 and 627,863.60 is: 941,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,799.60 : 1,361,699.40 = 627,863.60 : x
  2. Step 2: Convert to fraction form
    907,799.60/1,361,699.40 = 627,863.60/x
  3. Step 3: Cross multiply
    907,799.60x = 1,361,699.40 × 627,863.60
  4. Step 4: Simplify right side
    907,799.60x = 854,961,487,401.84
  5. Step 5: Solve for x
    x = 854,961,487,401.84/907,799.60
  6. Step 6: Final answer
    x = 941,795.40

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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.