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Finding the Fourth Proportional to 383,174.38, 574,850.94 and 116,934.40

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Solution

The fourth proportional to 383,174.38, 574,850.94 and 116,934.40 is: 175,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,174.38 : 574,850.94 = 116,934.40 : x
  2. Step 2: Convert to fraction form
    383,174.38/574,850.94 = 116,934.40/x
  3. Step 3: Cross multiply
    383,174.38x = 574,850.94 × 116,934.40
  4. Step 4: Simplify right side
    383,174.38x = 67,219,849,758.34
  5. Step 5: Solve for x
    x = 67,219,849,758.34/383,174.38
  6. Step 6: Final answer
    x = 175,428.87

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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.