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Finding the Fourth Proportional to 281,863.94, 422,795.91 and 243,800.09

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Solution

The fourth proportional to 281,863.94, 422,795.91 and 243,800.09 is: 365,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,863.94 : 422,795.91 = 243,800.09 : x
  2. Step 2: Convert to fraction form
    281,863.94/422,795.91 = 243,800.09/x
  3. Step 3: Cross multiply
    281,863.94x = 422,795.91 × 243,800.09
  4. Step 4: Simplify right side
    281,863.94x = 103,077,678,795.65
  5. Step 5: Solve for x
    x = 103,077,678,795.65/281,863.94
  6. Step 6: Final answer
    x = 365,700.13

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Similar ratio
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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.