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Finding the Fourth Proportional to 381,698.70, 572,548.05 and 224,234.70

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Solution

The fourth proportional to 381,698.70, 572,548.05 and 224,234.70 is: 336,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,698.70 : 572,548.05 = 224,234.70 : x
  2. Step 2: Convert to fraction form
    381,698.70/572,548.05 = 224,234.70/x
  3. Step 3: Cross multiply
    381,698.70x = 572,548.05 × 224,234.70
  4. Step 4: Simplify right side
    381,698.70x = 128,385,140,227.34
  5. Step 5: Solve for x
    x = 128,385,140,227.34/381,698.70
  6. Step 6: Final answer
    x = 336,352.05

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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.