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Finding the Fourth Proportional to 544,517.70, 816,776.55 and 520,023.30

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Solution

The fourth proportional to 544,517.70, 816,776.55 and 520,023.30 is: 780,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,517.70 : 816,776.55 = 520,023.30 : x
  2. Step 2: Convert to fraction form
    544,517.70/816,776.55 = 520,023.30/x
  3. Step 3: Cross multiply
    544,517.70x = 816,776.55 × 520,023.30
  4. Step 4: Simplify right side
    544,517.70x = 424,742,836,893.62
  5. Step 5: Solve for x
    x = 424,742,836,893.62/544,517.70
  6. Step 6: Final answer
    x = 780,034.95

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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.