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Finding the Fourth Proportional to 295,990.20, 443,693.70 and 146,253.60

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Solution

The fourth proportional to 295,990.20, 443,693.70 and 146,253.60 is: 219,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,990.20 : 443,693.70 = 146,253.60 : x
  2. Step 2: Convert to fraction form
    295,990.20/443,693.70 = 146,253.60/x
  3. Step 3: Cross multiply
    295,990.20x = 443,693.70 × 146,253.60
  4. Step 4: Simplify right side
    295,990.20x = 64,891,800,922.32
  5. Step 5: Solve for x
    x = 64,891,800,922.32/295,990.20
  6. Step 6: Final answer
    x = 219,236.32

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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.