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Finding the Fourth Proportional to 351,068.58, 484,354.28 and 198,087.93

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Solution

The fourth proportional to 351,068.58, 484,354.28 and 198,087.93 is: 273,293.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,068.58 : 484,354.28 = 198,087.93 : x
  2. Step 2: Convert to fraction form
    351,068.58/484,354.28 = 198,087.93/x
  3. Step 3: Cross multiply
    351,068.58x = 484,354.28 × 198,087.93
  4. Step 4: Simplify right side
    351,068.58x = 95,944,737,207.06
  5. Step 5: Solve for x
    x = 95,944,737,207.06/351,068.58
  6. Step 6: Final answer
    x = 273,293.43

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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.