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Finding the Fourth Proportional to 245,409.80, 368,114.70 and 241,910.60

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Solution

The fourth proportional to 245,409.80, 368,114.70 and 241,910.60 is: 362,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,409.80 : 368,114.70 = 241,910.60 : x
  2. Step 2: Convert to fraction form
    245,409.80/368,114.70 = 241,910.60/x
  3. Step 3: Cross multiply
    245,409.80x = 368,114.70 × 241,910.60
  4. Step 4: Simplify right side
    245,409.80x = 89,050,847,945.82
  5. Step 5: Solve for x
    x = 89,050,847,945.82/245,409.80
  6. Step 6: Final answer
    x = 362,865.90

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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.