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Finding the Fourth Proportional to 629,093.20, 941,796.60 and 555,365.20

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Solution

The fourth proportional to 629,093.20, 941,796.60 and 555,365.20 is: 831,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,093.20 : 941,796.60 = 555,365.20 : x
  2. Step 2: Convert to fraction form
    629,093.20/941,796.60 = 555,365.20/x
  3. Step 3: Cross multiply
    629,093.20x = 941,796.60 × 555,365.20
  4. Step 4: Simplify right side
    629,093.20x = 523,041,057,118.32
  5. Step 5: Solve for x
    x = 523,041,057,118.32/629,093.20
  6. Step 6: Final answer
    x = 831,420.62

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1.5x scale

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.