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Finding the Fourth Proportional to 337,016.45, 505,680.98 and 147,451.84

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Solution

The fourth proportional to 337,016.45, 505,680.98 and 147,451.84 is: 221,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,016.45 : 505,680.98 = 147,451.84 : x
  2. Step 2: Convert to fraction form
    337,016.45/505,680.98 = 147,451.84/x
  3. Step 3: Cross multiply
    337,016.45x = 505,680.98 × 147,451.84
  4. Step 4: Simplify right side
    337,016.45x = 74,563,588,952.54
  5. Step 5: Solve for x
    x = 74,563,588,952.54/337,016.45
  6. Step 6: Final answer
    x = 221,246.14

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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.