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Finding the Fourth Proportional to 317,592, 476,388 and 95,976

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Solution

The fourth proportional to 317,592, 476,388 and 95,976 is: 143,964

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,592 : 476,388 = 95,976 : x
  2. Step 2: Convert to fraction form
    317,592/476,388 = 95,976/x
  3. Step 3: Cross multiply
    317,592x = 476,388 × 95,976
  4. Step 4: Simplify right side
    317,592x = 45,721,814,688
  5. Step 5: Solve for x
    x = 45,721,814,688/317,592
  6. Step 6: Final answer
    x = 143,964

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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.