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Finding the Fourth Proportional to 317,735.62, 438,474.64 and 174,495.67

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Solution

The fourth proportional to 317,735.62, 438,474.64 and 174,495.67 is: 240,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,735.62 : 438,474.64 = 174,495.67 : x
  2. Step 2: Convert to fraction form
    317,735.62/438,474.64 = 174,495.67/x
  3. Step 3: Cross multiply
    317,735.62x = 438,474.64 × 174,495.67
  4. Step 4: Simplify right side
    317,735.62x = 76,511,925,370.33
  5. Step 5: Solve for x
    x = 76,511,925,370.33/317,735.62
  6. Step 6: Final answer
    x = 240,803.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.