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Finding the Fourth Proportional to 285,843.69, 394,284.11 and 184,002.21

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Solution

The fourth proportional to 285,843.69, 394,284.11 and 184,002.21 is: 253,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,843.69 : 394,284.11 = 184,002.21 : x
  2. Step 2: Convert to fraction form
    285,843.69/394,284.11 = 184,002.21/x
  3. Step 3: Cross multiply
    285,843.69x = 394,284.11 × 184,002.21
  4. Step 4: Simplify right side
    285,843.69x = 72,549,146,687.87
  5. Step 5: Solve for x
    x = 72,549,146,687.87/285,843.69
  6. Step 6: Final answer
    x = 253,807.06

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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.