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Finding the Fourth Proportional to 296,116.20, 443,518.20 and 243,628.20

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Solution

The fourth proportional to 296,116.20, 443,518.20 and 243,628.20 is: 364,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,116.20 : 443,518.20 = 243,628.20 : x
  2. Step 2: Convert to fraction form
    296,116.20/443,518.20 = 243,628.20/x
  3. Step 3: Cross multiply
    296,116.20x = 443,518.20 × 243,628.20
  4. Step 4: Simplify right side
    296,116.20x = 108,053,540,733.24
  5. Step 5: Solve for x
    x = 108,053,540,733.24/296,116.20
  6. Step 6: Final answer
    x = 364,902.50

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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.