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Finding the Fourth Proportional to 300,242.92, 413,858.82 and 236,479.72

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Solution

The fourth proportional to 300,242.92, 413,858.82 and 236,479.72 is: 325,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,242.92 : 413,858.82 = 236,479.72 : x
  2. Step 2: Convert to fraction form
    300,242.92/413,858.82 = 236,479.72/x
  3. Step 3: Cross multiply
    300,242.92x = 413,858.82 × 236,479.72
  4. Step 4: Simplify right side
    300,242.92x = 97,869,217,873.13
  5. Step 5: Solve for x
    x = 97,869,217,873.13/300,242.92
  6. Step 6: Final answer
    x = 325,966.78

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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.