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Finding the Fourth Proportional to 300,254.92, 413,875.38 and 236,491.72

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Solution

The fourth proportional to 300,254.92, 413,875.38 and 236,491.72 is: 325,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,254.92 : 413,875.38 = 236,491.72 : x
  2. Step 2: Convert to fraction form
    300,254.92/413,875.38 = 236,491.72/x
  3. Step 3: Cross multiply
    300,254.92x = 413,875.38 × 236,491.72
  4. Step 4: Simplify right side
    300,254.92x = 97,878,100,481.85
  5. Step 5: Solve for x
    x = 97,878,100,481.85/300,254.92
  6. Step 6: Final answer
    x = 325,983.34

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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.