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Finding the Fourth Proportional to 279,359.94, 385,598.10 and 182,577.90

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Solution

The fourth proportional to 279,359.94, 385,598.10 and 182,577.90 is: 252,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,359.94 : 385,598.10 = 182,577.90 : x
  2. Step 2: Convert to fraction form
    279,359.94/385,598.10 = 182,577.90/x
  3. Step 3: Cross multiply
    279,359.94x = 385,598.10 × 182,577.90
  4. Step 4: Simplify right side
    279,359.94x = 70,401,691,341.99
  5. Step 5: Solve for x
    x = 70,401,691,341.99/279,359.94
  6. Step 6: Final answer
    x = 252,010.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.