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Finding the Fourth Proportional to 253,955.30, 380,936.19 and 175,048.34

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Solution

The fourth proportional to 253,955.30, 380,936.19 and 175,048.34 is: 262,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,955.30 : 380,936.19 = 175,048.34 : x
  2. Step 2: Convert to fraction form
    253,955.30/380,936.19 = 175,048.34/x
  3. Step 3: Cross multiply
    253,955.30x = 380,936.19 × 175,048.34
  4. Step 4: Simplify right side
    253,955.30x = 66,682,247,705.42
  5. Step 5: Solve for x
    x = 66,682,247,705.42/253,955.30
  6. Step 6: Final answer
    x = 262,574.74

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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.