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Finding the Fourth Proportional to 683,800.03, 943,680.27 and 411,953.50

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Solution

The fourth proportional to 683,800.03, 943,680.27 and 411,953.50 is: 568,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,800.03 : 943,680.27 = 411,953.50 : x
  2. Step 2: Convert to fraction form
    683,800.03/943,680.27 = 411,953.50/x
  3. Step 3: Cross multiply
    683,800.03x = 943,680.27 × 411,953.50
  4. Step 4: Simplify right side
    683,800.03x = 388,752,390,107.45
  5. Step 5: Solve for x
    x = 388,752,390,107.45/683,800.03
  6. Step 6: Final answer
    x = 568,517.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.