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Finding the Fourth Proportional to 356,703.16, 492,250.22 and 195,554.75

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Solution

The fourth proportional to 356,703.16, 492,250.22 and 195,554.75 is: 269,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,703.16 : 492,250.22 = 195,554.75 : x
  2. Step 2: Convert to fraction form
    356,703.16/492,250.22 = 195,554.75/x
  3. Step 3: Cross multiply
    356,703.16x = 492,250.22 × 195,554.75
  4. Step 4: Simplify right side
    356,703.16x = 96,261,867,731.77
  5. Step 5: Solve for x
    x = 96,261,867,731.77/356,703.16
  6. Step 6: Final answer
    x = 269,865.48

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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.