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Finding the Fourth Proportional to 544,062.20, 816,093.30 and 538,813.40

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Solution

The fourth proportional to 544,062.20, 816,093.30 and 538,813.40 is: 808,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,062.20 : 816,093.30 = 538,813.40 : x
  2. Step 2: Convert to fraction form
    544,062.20/816,093.30 = 538,813.40/x
  3. Step 3: Cross multiply
    544,062.20x = 816,093.30 × 538,813.40
  4. Step 4: Simplify right side
    544,062.20x = 439,722,005,690.22
  5. Step 5: Solve for x
    x = 439,722,005,690.22/544,062.20
  6. Step 6: Final answer
    x = 808,220.10

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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.