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Finding the Fourth Proportional to 381,951.60, 573,117.48 and 289,027.44

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Solution

The fourth proportional to 381,951.60, 573,117.48 and 289,027.44 is: 433,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,951.60 : 573,117.48 = 289,027.44 : x
  2. Step 2: Convert to fraction form
    381,951.60/573,117.48 = 289,027.44/x
  3. Step 3: Cross multiply
    381,951.60x = 573,117.48 × 289,027.44
  4. Step 4: Simplify right side
    381,951.60x = 165,646,678,063.65
  5. Step 5: Solve for x
    x = 165,646,678,063.65/381,951.60
  6. Step 6: Final answer
    x = 433,685.00

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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.