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Finding the Fourth Proportional to 627,879.45, 941,798.01 and 272,893.53

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Solution

The fourth proportional to 627,879.45, 941,798.01 and 272,893.53 is: 409,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,879.45 : 941,798.01 = 272,893.53 : x
  2. Step 2: Convert to fraction form
    627,879.45/941,798.01 = 272,893.53/x
  3. Step 3: Cross multiply
    627,879.45x = 941,798.01 × 272,893.53
  4. Step 4: Simplify right side
    627,879.45x = 257,010,583,495.88
  5. Step 5: Solve for x
    x = 257,010,583,495.88/627,879.45
  6. Step 6: Final answer
    x = 409,331.10

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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.