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Finding the Fourth Proportional to 361,879.04, 499,401.08 and 200,728.84

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Solution

The fourth proportional to 361,879.04, 499,401.08 and 200,728.84 is: 277,010.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,879.04 : 499,401.08 = 200,728.84 : x
  2. Step 2: Convert to fraction form
    361,879.04/499,401.08 = 200,728.84/x
  3. Step 3: Cross multiply
    361,879.04x = 499,401.08 × 200,728.84
  4. Step 4: Simplify right side
    361,879.04x = 100,244,199,483.15
  5. Step 5: Solve for x
    x = 100,244,199,483.15/361,879.04
  6. Step 6: Final answer
    x = 277,010.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.