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Finding the Fourth Proportional to 361,841.85, 499,401.54 and 200,748.80

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Solution

The fourth proportional to 361,841.85, 499,401.54 and 200,748.80 is: 277,066.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,841.85 : 499,401.54 = 200,748.80 : x
  2. Step 2: Convert to fraction form
    361,841.85/499,401.54 = 200,748.80/x
  3. Step 3: Cross multiply
    361,841.85x = 499,401.54 × 200,748.80
  4. Step 4: Simplify right side
    361,841.85x = 100,254,259,248.90
  5. Step 5: Solve for x
    x = 100,254,259,248.90/361,841.85
  6. Step 6: Final answer
    x = 277,066.51

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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.