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Finding the Fourth Proportional to 265,004.10, 396,922.95 and 235,455.30

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Solution

The fourth proportional to 265,004.10, 396,922.95 and 235,455.30 is: 352,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,004.10 : 396,922.95 = 235,455.30 : x
  2. Step 2: Convert to fraction form
    265,004.10/396,922.95 = 235,455.30/x
  3. Step 3: Cross multiply
    265,004.10x = 396,922.95 × 235,455.30
  4. Step 4: Simplify right side
    265,004.10x = 93,457,612,269.14
  5. Step 5: Solve for x
    x = 93,457,612,269.14/265,004.10
  6. Step 6: Final answer
    x = 352,664.78

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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.