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Finding the Fourth Proportional to 295,732.30, 443,780.70 and 118,220.80

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Solution

The fourth proportional to 295,732.30, 443,780.70 and 118,220.80 is: 177,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,732.30 : 443,780.70 = 118,220.80 : x
  2. Step 2: Convert to fraction form
    295,732.30/443,780.70 = 118,220.80/x
  3. Step 3: Cross multiply
    295,732.30x = 443,780.70 × 118,220.80
  4. Step 4: Simplify right side
    295,732.30x = 52,464,109,378.56
  5. Step 5: Solve for x
    x = 52,464,109,378.56/295,732.30
  6. Step 6: Final answer
    x = 177,404.06

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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.