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Finding the Fourth Proportional to 544,093.20, 816,139.80 and 488,980.80

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Solution

The fourth proportional to 544,093.20, 816,139.80 and 488,980.80 is: 733,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,093.20 : 816,139.80 = 488,980.80 : x
  2. Step 2: Convert to fraction form
    544,093.20/816,139.80 = 488,980.80/x
  3. Step 3: Cross multiply
    544,093.20x = 816,139.80 × 488,980.80
  4. Step 4: Simplify right side
    544,093.20x = 399,076,692,315.84
  5. Step 5: Solve for x
    x = 399,076,692,315.84/544,093.20
  6. Step 6: Final answer
    x = 733,471.20

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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.