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Finding the Fourth Proportional to 361,756.95, 499,225.94 and 200,626.89

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Solution

The fourth proportional to 361,756.95, 499,225.94 and 200,626.89 is: 276,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,756.95 : 499,225.94 = 200,626.89 : x
  2. Step 2: Convert to fraction form
    361,756.95/499,225.94 = 200,626.89/x
  3. Step 3: Cross multiply
    361,756.95x = 499,225.94 × 200,626.89
  4. Step 4: Simplify right side
    361,756.95x = 100,158,146,746.39
  5. Step 5: Solve for x
    x = 100,158,146,746.39/361,756.95
  6. Step 6: Final answer
    x = 276,865.85

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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.