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Finding the Fourth Proportional to 498,215.54, 747,441.94 and 161,256.25

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Solution

The fourth proportional to 498,215.54, 747,441.94 and 161,256.25 is: 241,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,215.54 : 747,441.94 = 161,256.25 : x
  2. Step 2: Convert to fraction form
    498,215.54/747,441.94 = 161,256.25/x
  3. Step 3: Cross multiply
    498,215.54x = 747,441.94 × 161,256.25
  4. Step 4: Simplify right side
    498,215.54x = 120,529,682,244.14
  5. Step 5: Solve for x
    x = 120,529,682,244.14/498,215.54
  6. Step 6: Final answer
    x = 241,922.77

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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.