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Finding the Fourth Proportional to 360,617.44, 540,739.64 and 210,901.48

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Solution

The fourth proportional to 360,617.44, 540,739.64 and 210,901.48 is: 316,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,617.44 : 540,739.64 = 210,901.48 : x
  2. Step 2: Convert to fraction form
    360,617.44/540,739.64 = 210,901.48/x
  3. Step 3: Cross multiply
    360,617.44x = 540,739.64 × 210,901.48
  4. Step 4: Simplify right side
    360,617.44x = 114,042,790,370.67
  5. Step 5: Solve for x
    x = 114,042,790,370.67/360,617.44
  6. Step 6: Final answer
    x = 316,243.14

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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.