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Finding the Fourth Proportional to 383,133.79, 574,699.08 and 116,893.42

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Solution

The fourth proportional to 383,133.79, 574,699.08 and 116,893.42 is: 175,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,133.79 : 574,699.08 = 116,893.42 : x
  2. Step 2: Convert to fraction form
    383,133.79/574,699.08 = 116,893.42/x
  3. Step 3: Cross multiply
    383,133.79x = 574,699.08 × 116,893.42
  4. Step 4: Simplify right side
    383,133.79x = 67,178,540,932.05
  5. Step 5: Solve for x
    x = 67,178,540,932.05/383,133.79
  6. Step 6: Final answer
    x = 175,339.64

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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.