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Finding the Fourth Proportional to 376,949.61, 565,445.61 and 120,804.48

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Solution

The fourth proportional to 376,949.61, 565,445.61 and 120,804.48 is: 181,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,949.61 : 565,445.61 = 120,804.48 : x
  2. Step 2: Convert to fraction form
    376,949.61/565,445.61 = 120,804.48/x
  3. Step 3: Cross multiply
    376,949.61x = 565,445.61 × 120,804.48
  4. Step 4: Simplify right side
    376,949.61x = 68,308,362,884.33
  5. Step 5: Solve for x
    x = 68,308,362,884.33/376,949.61
  6. Step 6: Final answer
    x = 181,213.51

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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.