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Finding the Fourth Proportional to 382,279.55, 573,040.55 and 179,512.67

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Solution

The fourth proportional to 382,279.55, 573,040.55 and 179,512.67 is: 269,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,279.55 : 573,040.55 = 179,512.67 : x
  2. Step 2: Convert to fraction form
    382,279.55/573,040.55 = 179,512.67/x
  3. Step 3: Cross multiply
    382,279.55x = 573,040.55 × 179,512.67
  4. Step 4: Simplify right side
    382,279.55x = 102,868,041,030.15
  5. Step 5: Solve for x
    x = 102,868,041,030.15/382,279.55
  6. Step 6: Final answer
    x = 269,091.15

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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.