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Finding the Fourth Proportional to 295,997.20, 443,995.80 and 96,336.40

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Solution

The fourth proportional to 295,997.20, 443,995.80 and 96,336.40 is: 144,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,997.20 : 443,995.80 = 96,336.40 : x
  2. Step 2: Convert to fraction form
    295,997.20/443,995.80 = 96,336.40/x
  3. Step 3: Cross multiply
    295,997.20x = 443,995.80 × 96,336.40
  4. Step 4: Simplify right side
    295,997.20x = 42,772,956,987.12
  5. Step 5: Solve for x
    x = 42,772,956,987.12/295,997.20
  6. Step 6: Final answer
    x = 144,504.60

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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.