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Finding the Fourth Proportional to 383,132.79, 574,697.58 and 116,892.42

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Solution

The fourth proportional to 383,132.79, 574,697.58 and 116,892.42 is: 175,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,132.79 : 574,697.58 = 116,892.42 : x
  2. Step 2: Convert to fraction form
    383,132.79/574,697.58 = 116,892.42/x
  3. Step 3: Cross multiply
    383,132.79x = 574,697.58 × 116,892.42
  4. Step 4: Simplify right side
    383,132.79x = 67,177,790,894.34
  5. Step 5: Solve for x
    x = 67,177,790,894.34/383,132.79
  6. Step 6: Final answer
    x = 175,338.14

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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.