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Finding the Fourth Proportional to 235,391.46, 353,005.37 and 100,450.11

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Solution

The fourth proportional to 235,391.46, 353,005.37 and 100,450.11 is: 150,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,391.46 : 353,005.37 = 100,450.11 : x
  2. Step 2: Convert to fraction form
    235,391.46/353,005.37 = 100,450.11/x
  3. Step 3: Cross multiply
    235,391.46x = 353,005.37 × 100,450.11
  4. Step 4: Simplify right side
    235,391.46x = 35,459,428,247.09
  5. Step 5: Solve for x
    x = 35,459,428,247.09/235,391.46
  6. Step 6: Final answer
    x = 150,640.25

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1.5x scale

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.