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Finding the Fourth Proportional to 295,793.40, 443,430.90 and 177,511.80

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Solution

The fourth proportional to 295,793.40, 443,430.90 and 177,511.80 is: 266,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,793.40 : 443,430.90 = 177,511.80 : x
  2. Step 2: Convert to fraction form
    295,793.40/443,430.90 = 177,511.80/x
  3. Step 3: Cross multiply
    295,793.40x = 443,430.90 × 177,511.80
  4. Step 4: Simplify right side
    295,793.40x = 78,714,217,234.62
  5. Step 5: Solve for x
    x = 78,714,217,234.62/295,793.40
  6. Step 6: Final answer
    x = 266,112.15

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1.5x scale

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.