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Finding the Fourth Proportional to 295,711.80, 443,567.70 and 263,052.60

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Solution

The fourth proportional to 295,711.80, 443,567.70 and 263,052.60 is: 394,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,711.80 : 443,567.70 = 263,052.60 : x
  2. Step 2: Convert to fraction form
    295,711.80/443,567.70 = 263,052.60/x
  3. Step 3: Cross multiply
    295,711.80x = 443,567.70 × 263,052.60
  4. Step 4: Simplify right side
    295,711.80x = 116,681,636,761.02
  5. Step 5: Solve for x
    x = 116,681,636,761.02/295,711.80
  6. Step 6: Final answer
    x = 394,578.90

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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.