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Finding the Fourth Proportional to 544,540.20, 817,685.10 and 411,570.60

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Solution

The fourth proportional to 544,540.20, 817,685.10 and 411,570.60 is: 618,017.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,540.20 : 817,685.10 = 411,570.60 : x
  2. Step 2: Convert to fraction form
    544,540.20/817,685.10 = 411,570.60/x
  3. Step 3: Cross multiply
    544,540.20x = 817,685.10 × 411,570.60
  4. Step 4: Simplify right side
    544,540.20x = 336,535,147,218.06
  5. Step 5: Solve for x
    x = 336,535,147,218.06/544,540.20
  6. Step 6: Final answer
    x = 618,017.09

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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.