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Finding the Fourth Proportional to 245,771.70, 368,657.55 and 230,025.30

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Solution

The fourth proportional to 245,771.70, 368,657.55 and 230,025.30 is: 345,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,771.70 : 368,657.55 = 230,025.30 : x
  2. Step 2: Convert to fraction form
    245,771.70/368,657.55 = 230,025.30/x
  3. Step 3: Cross multiply
    245,771.70x = 368,657.55 × 230,025.30
  4. Step 4: Simplify right side
    245,771.70x = 84,800,563,536.02
  5. Step 5: Solve for x
    x = 84,800,563,536.02/245,771.70
  6. Step 6: Final answer
    x = 345,037.95

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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.