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Finding the Fourth Proportional to 353,509.98, 487,833.96 and 192,361.29

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Solution

The fourth proportional to 353,509.98, 487,833.96 and 192,361.29 is: 265,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,509.98 : 487,833.96 = 192,361.29 : x
  2. Step 2: Convert to fraction form
    353,509.98/487,833.96 = 192,361.29/x
  3. Step 3: Cross multiply
    353,509.98x = 487,833.96 × 192,361.29
  4. Step 4: Simplify right side
    353,509.98x = 93,840,369,851.41
  5. Step 5: Solve for x
    x = 93,840,369,851.41/353,509.98
  6. Step 6: Final answer
    x = 265,453.24

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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.