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Finding the Fourth Proportional to 486,004.80, 726,674.40 and 360,033.60

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Solution

The fourth proportional to 486,004.80, 726,674.40 and 360,033.60 is: 538,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,004.80 : 726,674.40 = 360,033.60 : x
  2. Step 2: Convert to fraction form
    486,004.80/726,674.40 = 360,033.60/x
  3. Step 3: Cross multiply
    486,004.80x = 726,674.40 × 360,033.60
  4. Step 4: Simplify right side
    486,004.80x = 261,627,200,259.84
  5. Step 5: Solve for x
    x = 261,627,200,259.84/486,004.80
  6. Step 6: Final answer
    x = 538,322.26

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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.