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Finding the Fourth Proportional to 450,983.79, 622,350.81 and 247,033.08

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Solution

The fourth proportional to 450,983.79, 622,350.81 and 247,033.08 is: 340,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,983.79 : 622,350.81 = 247,033.08 : x
  2. Step 2: Convert to fraction form
    450,983.79/622,350.81 = 247,033.08/x
  3. Step 3: Cross multiply
    450,983.79x = 622,350.81 × 247,033.08
  4. Step 4: Simplify right side
    450,983.79x = 153,741,237,434.80
  5. Step 5: Solve for x
    x = 153,741,237,434.80/450,983.79
  6. Step 6: Final answer
    x = 340,901.91

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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.