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Finding the Fourth Proportional to 349,384.44, 482,152.14 and 198,489.72

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Solution

The fourth proportional to 349,384.44, 482,152.14 and 198,489.72 is: 273,916.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,384.44 : 482,152.14 = 198,489.72 : x
  2. Step 2: Convert to fraction form
    349,384.44/482,152.14 = 198,489.72/x
  3. Step 3: Cross multiply
    349,384.44x = 482,152.14 × 198,489.72
  4. Step 4: Simplify right side
    349,384.44x = 95,702,243,266.00
  5. Step 5: Solve for x
    x = 95,702,243,266.00/349,384.44
  6. Step 6: Final answer
    x = 273,916.73

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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.