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Finding the Fourth Proportional to 481,411.76, 664,358.63 and 263,629.62

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Solution

The fourth proportional to 481,411.76, 664,358.63 and 263,629.62 is: 363,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,411.76 : 664,358.63 = 263,629.62 : x
  2. Step 2: Convert to fraction form
    481,411.76/664,358.63 = 263,629.62/x
  3. Step 3: Cross multiply
    481,411.76x = 664,358.63 × 263,629.62
  4. Step 4: Simplify right side
    481,411.76x = 175,144,611,852.47
  5. Step 5: Solve for x
    x = 175,144,611,852.47/481,411.76
  6. Step 6: Final answer
    x = 363,814.57

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1.5x scale

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.