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Finding the Fourth Proportional to 351,804.80, 526,713.60 and 273,828.80

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Solution

The fourth proportional to 351,804.80, 526,713.60 and 273,828.80 is: 409,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,804.80 : 526,713.60 = 273,828.80 : x
  2. Step 2: Convert to fraction form
    351,804.80/526,713.60 = 273,828.80/x
  3. Step 3: Cross multiply
    351,804.80x = 526,713.60 × 273,828.80
  4. Step 4: Simplify right side
    351,804.80x = 144,229,353,031.68
  5. Step 5: Solve for x
    x = 144,229,353,031.68/351,804.80
  6. Step 6: Final answer
    x = 409,969.83

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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.