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Finding the Fourth Proportional to 247,819.65, 371,729.48 and 235,025.70

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Solution

The fourth proportional to 247,819.65, 371,729.48 and 235,025.70 is: 352,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,819.65 : 371,729.48 = 235,025.70 : x
  2. Step 2: Convert to fraction form
    247,819.65/371,729.48 = 235,025.70/x
  3. Step 3: Cross multiply
    247,819.65x = 371,729.48 × 235,025.70
  4. Step 4: Simplify right side
    247,819.65x = 87,365,980,072.51
  5. Step 5: Solve for x
    x = 87,365,980,072.51/247,819.65
  6. Step 6: Final answer
    x = 352,538.55

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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.