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Finding the Fourth Proportional to 486,093.64, 670,793.52 and 265,322.44

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Solution

The fourth proportional to 486,093.64, 670,793.52 and 265,322.44 is: 366,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,093.64 : 670,793.52 = 265,322.44 : x
  2. Step 2: Convert to fraction form
    486,093.64/670,793.52 = 265,322.44/x
  3. Step 3: Cross multiply
    486,093.64x = 670,793.52 × 265,322.44
  4. Step 4: Simplify right side
    486,093.64x = 177,976,573,462.59
  5. Step 5: Solve for x
    x = 177,976,573,462.59/486,093.64
  6. Step 6: Final answer
    x = 366,136.40

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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.