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Finding the Fourth Proportional to 308,989.60, 463,138.80 and 175,933.60

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Solution

The fourth proportional to 308,989.60, 463,138.80 and 175,933.60 is: 263,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,989.60 : 463,138.80 = 175,933.60 : x
  2. Step 2: Convert to fraction form
    308,989.60/463,138.80 = 175,933.60/x
  3. Step 3: Cross multiply
    308,989.60x = 463,138.80 × 175,933.60
  4. Step 4: Simplify right side
    308,989.60x = 81,481,676,383.68
  5. Step 5: Solve for x
    x = 81,481,676,383.68/308,989.60
  6. Step 6: Final answer
    x = 263,703.62

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1.5x scale

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.