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Finding the Fourth Proportional to 300,350.07, 450,513.45 and 110,728.42

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Solution

The fourth proportional to 300,350.07, 450,513.45 and 110,728.42 is: 166,088.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,350.07 : 450,513.45 = 110,728.42 : x
  2. Step 2: Convert to fraction form
    300,350.07/450,513.45 = 110,728.42/x
  3. Step 3: Cross multiply
    300,350.07x = 450,513.45 × 110,728.42
  4. Step 4: Simplify right side
    300,350.07x = 49,884,641,380.97
  5. Step 5: Solve for x
    x = 49,884,641,380.97/300,350.07
  6. Step 6: Final answer
    x = 166,088.33

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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.