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Finding the Fourth Proportional to 357,662.15, 536,576.31 and 104,932.43

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Solution

The fourth proportional to 357,662.15, 536,576.31 and 104,932.43 is: 157,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,662.15 : 536,576.31 = 104,932.43 : x
  2. Step 2: Convert to fraction form
    357,662.15/536,576.31 = 104,932.43/x
  3. Step 3: Cross multiply
    357,662.15x = 536,576.31 × 104,932.43
  4. Step 4: Simplify right side
    357,662.15x = 56,304,253,405.85
  5. Step 5: Solve for x
    x = 56,304,253,405.85/357,662.15
  6. Step 6: Final answer
    x = 157,423.02

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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.