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Finding the Fourth Proportional to 244,469.20, 366,919.80 and 144,504.40

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Solution

The fourth proportional to 244,469.20, 366,919.80 and 144,504.40 is: 216,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,469.20 : 366,919.80 = 144,504.40 : x
  2. Step 2: Convert to fraction form
    244,469.20/366,919.80 = 144,504.40/x
  3. Step 3: Cross multiply
    244,469.20x = 366,919.80 × 144,504.40
  4. Step 4: Simplify right side
    244,469.20x = 53,021,525,547.12
  5. Step 5: Solve for x
    x = 53,021,525,547.12/244,469.20
  6. Step 6: Final answer
    x = 216,884.28

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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.