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Finding the Fourth Proportional to 351,094.10, 484,509.60 and 198,164.48

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Solution

The fourth proportional to 351,094.10, 484,509.60 and 198,164.48 is: 273,466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,094.10 : 484,509.60 = 198,164.48 : x
  2. Step 2: Convert to fraction form
    351,094.10/484,509.60 = 198,164.48/x
  3. Step 3: Cross multiply
    351,094.10x = 484,509.60 × 198,164.48
  4. Step 4: Simplify right side
    351,094.10x = 96,012,590,516.46
  5. Step 5: Solve for x
    x = 96,012,590,516.46/351,094.10
  6. Step 6: Final answer
    x = 273,466.83

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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.