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Finding the Fourth Proportional to 339,242.34, 509,096.80 and 117,626.34

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Solution

The fourth proportional to 339,242.34, 509,096.80 and 117,626.34 is: 176,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,242.34 : 509,096.80 = 117,626.34 : x
  2. Step 2: Convert to fraction form
    339,242.34/509,096.80 = 117,626.34/x
  3. Step 3: Cross multiply
    339,242.34x = 509,096.80 × 117,626.34
  4. Step 4: Simplify right side
    339,242.34x = 59,883,194,684.21
  5. Step 5: Solve for x
    x = 59,883,194,684.21/339,242.34
  6. Step 6: Final answer
    x = 176,520.40

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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.