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Finding the Fourth Proportional to 241,480.20, 362,220.30 and 218,929.80

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Solution

The fourth proportional to 241,480.20, 362,220.30 and 218,929.80 is: 328,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,480.20 : 362,220.30 = 218,929.80 : x
  2. Step 2: Convert to fraction form
    241,480.20/362,220.30 = 218,929.80/x
  3. Step 3: Cross multiply
    241,480.20x = 362,220.30 × 218,929.80
  4. Step 4: Simplify right side
    241,480.20x = 79,300,817,834.94
  5. Step 5: Solve for x
    x = 79,300,817,834.94/241,480.20
  6. Step 6: Final answer
    x = 328,394.70

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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.