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Finding the Fourth Proportional to 443,414.28, 611,912.50 and 242,210.28

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Solution

The fourth proportional to 443,414.28, 611,912.50 and 242,210.28 is: 334,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,414.28 : 611,912.50 = 242,210.28 : x
  2. Step 2: Convert to fraction form
    443,414.28/611,912.50 = 242,210.28/x
  3. Step 3: Cross multiply
    443,414.28x = 611,912.50 × 242,210.28
  4. Step 4: Simplify right side
    443,414.28x = 148,211,497,960.50
  5. Step 5: Solve for x
    x = 148,211,497,960.50/443,414.28
  6. Step 6: Final answer
    x = 334,250.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.