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Finding the Fourth Proportional to 295,968.80, 443,996.40 and 96,255.20

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Solution

The fourth proportional to 295,968.80, 443,996.40 and 96,255.20 is: 144,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,968.80 : 443,996.40 = 96,255.20 : x
  2. Step 2: Convert to fraction form
    295,968.80/443,996.40 = 96,255.20/x
  3. Step 3: Cross multiply
    295,968.80x = 443,996.40 × 96,255.20
  4. Step 4: Simplify right side
    295,968.80x = 42,736,962,281.28
  5. Step 5: Solve for x
    x = 42,736,962,281.28/295,968.80
  6. Step 6: Final answer
    x = 144,396.85

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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.