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Finding the Fourth Proportional to 654,906.60, 982,657.98 and 317,765.16

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Solution

The fourth proportional to 654,906.60, 982,657.98 and 317,765.16 is: 476,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,906.60 : 982,657.98 = 317,765.16 : x
  2. Step 2: Convert to fraction form
    654,906.60/982,657.98 = 317,765.16/x
  3. Step 3: Cross multiply
    654,906.60x = 982,657.98 × 317,765.16
  4. Step 4: Simplify right side
    654,906.60x = 312,254,470,239.98
  5. Step 5: Solve for x
    x = 312,254,470,239.98/654,906.60
  6. Step 6: Final answer
    x = 476,792.37

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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.