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Finding the Fourth Proportional to 349,158, 481,841.28 and 198,258.24

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Solution

The fourth proportional to 349,158, 481,841.28 and 198,258.24 is: 273,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,158 : 481,841.28 = 198,258.24 : x
  2. Step 2: Convert to fraction form
    349,158/481,841.28 = 198,258.24/x
  3. Step 3: Cross multiply
    349,158x = 481,841.28 × 198,258.24
  4. Step 4: Simplify right side
    349,158x = 95,529,004,132.15
  5. Step 5: Solve for x
    x = 95,529,004,132.15/349,158
  6. Step 6: Final answer
    x = 273,598.21

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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.