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Finding the Fourth Proportional to 301,316.80, 451,456.80 and 254,660.80

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Solution

The fourth proportional to 301,316.80, 451,456.80 and 254,660.80 is: 381,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,316.80 : 451,456.80 = 254,660.80 : x
  2. Step 2: Convert to fraction form
    301,316.80/451,456.80 = 254,660.80/x
  3. Step 3: Cross multiply
    301,316.80x = 451,456.80 × 254,660.80
  4. Step 4: Simplify right side
    301,316.80x = 114,968,349,853.44
  5. Step 5: Solve for x
    x = 114,968,349,853.44/301,316.80
  6. Step 6: Final answer
    x = 381,553.07

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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.