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Finding the Fourth Proportional to 351,695.80, 526,550.10 and 273,719.80

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Solution

The fourth proportional to 351,695.80, 526,550.10 and 273,719.80 is: 409,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,695.80 : 526,550.10 = 273,719.80 : x
  2. Step 2: Convert to fraction form
    351,695.80/526,550.10 = 273,719.80/x
  3. Step 3: Cross multiply
    351,695.80x = 526,550.10 × 273,719.80
  4. Step 4: Simplify right side
    351,695.80x = 144,127,188,061.98
  5. Step 5: Solve for x
    x = 144,127,188,061.98/351,695.80
  6. Step 6: Final answer
    x = 409,806.40

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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.