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Finding the Fourth Proportional to 408,664.48, 563,942.72 and 224,885.88

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Solution

The fourth proportional to 408,664.48, 563,942.72 and 224,885.88 is: 310,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,664.48 : 563,942.72 = 224,885.88 : x
  2. Step 2: Convert to fraction form
    408,664.48/563,942.72 = 224,885.88/x
  3. Step 3: Cross multiply
    408,664.48x = 563,942.72 × 224,885.88
  4. Step 4: Simplify right side
    408,664.48x = 126,822,754,856.79
  5. Step 5: Solve for x
    x = 126,822,754,856.79/408,664.48
  6. Step 6: Final answer
    x = 310,334.67

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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.