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Finding the Fourth Proportional to 490,962.24, 735,840.32 and 254,169.92

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Solution

The fourth proportional to 490,962.24, 735,840.32 and 254,169.92 is: 380,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,962.24 : 735,840.32 = 254,169.92 : x
  2. Step 2: Convert to fraction form
    490,962.24/735,840.32 = 254,169.92/x
  3. Step 3: Cross multiply
    490,962.24x = 735,840.32 × 254,169.92
  4. Step 4: Simplify right side
    490,962.24x = 187,028,475,267.17
  5. Step 5: Solve for x
    x = 187,028,475,267.17/490,962.24
  6. Step 6: Final answer
    x = 380,942.69

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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.