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Finding the Fourth Proportional to 295,543.80, 443,315.70 and 177,348.60

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Solution

The fourth proportional to 295,543.80, 443,315.70 and 177,348.60 is: 266,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,543.80 : 443,315.70 = 177,348.60 : x
  2. Step 2: Convert to fraction form
    295,543.80/443,315.70 = 177,348.60/x
  3. Step 3: Cross multiply
    295,543.80x = 443,315.70 × 177,348.60
  4. Step 4: Simplify right side
    295,543.80x = 78,621,418,753.02
  5. Step 5: Solve for x
    x = 78,621,418,753.02/295,543.80
  6. Step 6: Final answer
    x = 266,022.90

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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.