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Finding the Fourth Proportional to 334,512.99, 501,973.61 and 144,936.54

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Solution

The fourth proportional to 334,512.99, 501,973.61 and 144,936.54 is: 217,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,512.99 : 501,973.61 = 144,936.54 : x
  2. Step 2: Convert to fraction form
    334,512.99/501,973.61 = 144,936.54/x
  3. Step 3: Cross multiply
    334,512.99x = 501,973.61 × 144,936.54
  4. Step 4: Simplify right side
    334,512.99x = 72,754,317,480.03
  5. Step 5: Solve for x
    x = 72,754,317,480.03/334,512.99
  6. Step 6: Final answer
    x = 217,493.25

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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.