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Finding the Fourth Proportional to 310,717.73, 465,074.22 and 160,751.50

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Solution

The fourth proportional to 310,717.73, 465,074.22 and 160,751.50 is: 240,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,717.73 : 465,074.22 = 160,751.50 : x
  2. Step 2: Convert to fraction form
    310,717.73/465,074.22 = 160,751.50/x
  3. Step 3: Cross multiply
    310,717.73x = 465,074.22 × 160,751.50
  4. Step 4: Simplify right side
    310,717.73x = 74,761,378,476.33
  5. Step 5: Solve for x
    x = 74,761,378,476.33/310,717.73
  6. Step 6: Final answer
    x = 240,608.67

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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.