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Finding the Fourth Proportional to 295,555.70, 443,333.55 and 206,909.30

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Solution

The fourth proportional to 295,555.70, 443,333.55 and 206,909.30 is: 310,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,555.70 : 443,333.55 = 206,909.30 : x
  2. Step 2: Convert to fraction form
    295,555.70/443,333.55 = 206,909.30/x
  3. Step 3: Cross multiply
    295,555.70x = 443,333.55 × 206,909.30
  4. Step 4: Simplify right side
    295,555.70x = 91,729,834,497.02
  5. Step 5: Solve for x
    x = 91,729,834,497.02/295,555.70
  6. Step 6: Final answer
    x = 310,363.95

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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.