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Finding the Fourth Proportional to 361,301.40, 498,626.55 and 200,206.98

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Solution

The fourth proportional to 361,301.40, 498,626.55 and 200,206.98 is: 276,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,301.40 : 498,626.55 = 200,206.98 : x
  2. Step 2: Convert to fraction form
    361,301.40/498,626.55 = 200,206.98/x
  3. Step 3: Cross multiply
    361,301.40x = 498,626.55 × 200,206.98
  4. Step 4: Simplify right side
    361,301.40x = 99,828,515,723.32
  5. Step 5: Solve for x
    x = 99,828,515,723.32/361,301.40
  6. Step 6: Final answer
    x = 276,302.60

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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.