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Finding the Fourth Proportional to 366,834.80, 550,252.20 and 325,055.60

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Solution

The fourth proportional to 366,834.80, 550,252.20 and 325,055.60 is: 487,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,834.80 : 550,252.20 = 325,055.60 : x
  2. Step 2: Convert to fraction form
    366,834.80/550,252.20 = 325,055.60/x
  3. Step 3: Cross multiply
    366,834.80x = 550,252.20 × 325,055.60
  4. Step 4: Simplify right side
    366,834.80x = 178,862,559,022.32
  5. Step 5: Solve for x
    x = 178,862,559,022.32/366,834.80
  6. Step 6: Final answer
    x = 487,583.40

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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.