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Finding the Fourth Proportional to 450,009.80, 675,022.70 and 134,470.60

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Solution

The fourth proportional to 450,009.80, 675,022.70 and 134,470.60 is: 201,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,009.80 : 675,022.70 = 134,470.60 : x
  2. Step 2: Convert to fraction form
    450,009.80/675,022.70 = 134,470.60/x
  3. Step 3: Cross multiply
    450,009.80x = 675,022.70 × 134,470.60
  4. Step 4: Simplify right side
    450,009.80x = 90,770,707,482.62
  5. Step 5: Solve for x
    x = 90,770,707,482.62/450,009.80
  6. Step 6: Final answer
    x = 201,708.29

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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.