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Finding the Fourth Proportional to 351,295.84, 526,942.88 and 271,449.92

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Solution

The fourth proportional to 351,295.84, 526,942.88 and 271,449.92 is: 407,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,295.84 : 526,942.88 = 271,449.92 : x
  2. Step 2: Convert to fraction form
    351,295.84/526,942.88 = 271,449.92/x
  3. Step 3: Cross multiply
    351,295.84x = 526,942.88 × 271,449.92
  4. Step 4: Simplify right side
    351,295.84x = 143,038,602,620.57
  5. Step 5: Solve for x
    x = 143,038,602,620.57/351,295.84
  6. Step 6: Final answer
    x = 407,174.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.