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Finding the Fourth Proportional to 306,520.67, 459,847.17 and 93,305.25

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Solution

The fourth proportional to 306,520.67, 459,847.17 and 93,305.25 is: 139,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,520.67 : 459,847.17 = 93,305.25 : x
  2. Step 2: Convert to fraction form
    306,520.67/459,847.17 = 93,305.25/x
  3. Step 3: Cross multiply
    306,520.67x = 459,847.17 × 93,305.25
  4. Step 4: Simplify right side
    306,520.67x = 42,906,155,158.64
  5. Step 5: Solve for x
    x = 42,906,155,158.64/306,520.67
  6. Step 6: Final answer
    x = 139,978.02

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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.