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Finding the Fourth Proportional to 488,587.80, 732,954.60 and 173,019.90

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Solution

The fourth proportional to 488,587.80, 732,954.60 and 173,019.90 is: 259,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,587.80 : 732,954.60 = 173,019.90 : x
  2. Step 2: Convert to fraction form
    488,587.80/732,954.60 = 173,019.90/x
  3. Step 3: Cross multiply
    488,587.80x = 732,954.60 × 173,019.90
  4. Step 4: Simplify right side
    488,587.80x = 126,815,731,596.54
  5. Step 5: Solve for x
    x = 126,815,731,596.54/488,587.80
  6. Step 6: Final answer
    x = 259,555.67

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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.