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Finding the Fourth Proportional to 384,473.93, 576,382.49 and 271,799.69

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Solution

The fourth proportional to 384,473.93, 576,382.49 and 271,799.69 is: 407,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,473.93 : 576,382.49 = 271,799.69 : x
  2. Step 2: Convert to fraction form
    384,473.93/576,382.49 = 271,799.69/x
  3. Step 3: Cross multiply
    384,473.93x = 576,382.49 × 271,799.69
  4. Step 4: Simplify right side
    384,473.93x = 156,660,580,744.43
  5. Step 5: Solve for x
    x = 156,660,580,744.43/384,473.93
  6. Step 6: Final answer
    x = 407,467.37

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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.