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Finding the Fourth Proportional to 313,768.63, 433,003.59 and 170,529.01

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Solution

The fourth proportional to 313,768.63, 433,003.59 and 170,529.01 is: 235,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,768.63 : 433,003.59 = 170,529.01 : x
  2. Step 2: Convert to fraction form
    313,768.63/433,003.59 = 170,529.01/x
  3. Step 3: Cross multiply
    313,768.63x = 433,003.59 × 170,529.01
  4. Step 4: Simplify right side
    313,768.63x = 73,839,673,529.15
  5. Step 5: Solve for x
    x = 73,839,673,529.15/313,768.63
  6. Step 6: Final answer
    x = 235,331.60

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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.