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Finding the Fourth Proportional to 361,703.67, 499,179.27 and 200,590.21

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Solution

The fourth proportional to 361,703.67, 499,179.27 and 200,590.21 is: 276,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,703.67 : 499,179.27 = 200,590.21 : x
  2. Step 2: Convert to fraction form
    361,703.67/499,179.27 = 200,590.21/x
  3. Step 3: Cross multiply
    361,703.67x = 499,179.27 × 200,590.21
  4. Step 4: Simplify right side
    361,703.67x = 100,130,474,596.95
  5. Step 5: Solve for x
    x = 100,130,474,596.95/361,703.67
  6. Step 6: Final answer
    x = 276,830.13

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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.