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Finding the Fourth Proportional to 264,795.90, 397,193.85 and 245,355.90

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Solution

The fourth proportional to 264,795.90, 397,193.85 and 245,355.90 is: 368,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,795.90 : 397,193.85 = 245,355.90 : x
  2. Step 2: Convert to fraction form
    264,795.90/397,193.85 = 245,355.90/x
  3. Step 3: Cross multiply
    264,795.90x = 397,193.85 × 245,355.90
  4. Step 4: Simplify right side
    264,795.90x = 97,453,854,541.22
  5. Step 5: Solve for x
    x = 97,453,854,541.22/264,795.90
  6. Step 6: Final answer
    x = 368,033.85

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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.