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Finding the Fourth Proportional to 369,956.03, 510,540.66 and 200,190.15

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Solution

The fourth proportional to 369,956.03, 510,540.66 and 200,190.15 is: 276,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,956.03 : 510,540.66 = 200,190.15 : x
  2. Step 2: Convert to fraction form
    369,956.03/510,540.66 = 200,190.15/x
  3. Step 3: Cross multiply
    369,956.03x = 510,540.66 × 200,190.15
  4. Step 4: Simplify right side
    369,956.03x = 102,205,211,306.50
  5. Step 5: Solve for x
    x = 102,205,211,306.50/369,956.03
  6. Step 6: Final answer
    x = 276,263.14

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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.