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Finding the Fourth Proportional to 356,544.93, 492,032.70 and 195,405.96

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Solution

The fourth proportional to 356,544.93, 492,032.70 and 195,405.96 is: 269,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,544.93 : 492,032.70 = 195,405.96 : x
  2. Step 2: Convert to fraction form
    356,544.93/492,032.70 = 195,405.96/x
  3. Step 3: Cross multiply
    356,544.93x = 492,032.70 × 195,405.96
  4. Step 4: Simplify right side
    356,544.93x = 96,146,122,094.89
  5. Step 5: Solve for x
    x = 96,146,122,094.89/356,544.93
  6. Step 6: Final answer
    x = 269,660.61

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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.