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Finding the Fourth Proportional to 482,846.40, 723,751.20 and 183,211.20

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Solution

The fourth proportional to 482,846.40, 723,751.20 and 183,211.20 is: 274,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,846.40 : 723,751.20 = 183,211.20 : x
  2. Step 2: Convert to fraction form
    482,846.40/723,751.20 = 183,211.20/x
  3. Step 3: Cross multiply
    482,846.40x = 723,751.20 × 183,211.20
  4. Step 4: Simplify right side
    482,846.40x = 132,599,325,853.44
  5. Step 5: Solve for x
    x = 132,599,325,853.44/482,846.40
  6. Step 6: Final answer
    x = 274,620.10

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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.