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Finding the Fourth Proportional to 488,683.80, 733,098.60 and 173,115.90

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Solution

The fourth proportional to 488,683.80, 733,098.60 and 173,115.90 is: 259,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,683.80 : 733,098.60 = 173,115.90 : x
  2. Step 2: Convert to fraction form
    488,683.80/733,098.60 = 173,115.90/x
  3. Step 3: Cross multiply
    488,683.80x = 733,098.60 × 173,115.90
  4. Step 4: Simplify right side
    488,683.80x = 126,911,023,927.74
  5. Step 5: Solve for x
    x = 126,911,023,927.74/488,683.80
  6. Step 6: Final answer
    x = 259,699.67

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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.