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Finding the Fourth Proportional to 306,520.44, 459,780.21 and 96,174.78

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Solution

The fourth proportional to 306,520.44, 459,780.21 and 96,174.78 is: 144,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,520.44 : 459,780.21 = 96,174.78 : x
  2. Step 2: Convert to fraction form
    306,520.44/459,780.21 = 96,174.78/x
  3. Step 3: Cross multiply
    306,520.44x = 459,780.21 × 96,174.78
  4. Step 4: Simplify right side
    306,520.44x = 44,219,260,545.10
  5. Step 5: Solve for x
    x = 44,219,260,545.10/306,520.44
  6. Step 6: Final answer
    x = 144,262.03

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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.