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Finding the Fourth Proportional to 306,339.54, 459,509.51 and 95,993.88

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Solution

The fourth proportional to 306,339.54, 459,509.51 and 95,993.88 is: 143,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,339.54 : 459,509.51 = 95,993.88 : x
  2. Step 2: Convert to fraction form
    306,339.54/459,509.51 = 95,993.88/x
  3. Step 3: Cross multiply
    306,339.54x = 459,509.51 × 95,993.88
  4. Step 4: Simplify right side
    306,339.54x = 44,110,100,761.80
  5. Step 5: Solve for x
    x = 44,110,100,761.80/306,339.54
  6. Step 6: Final answer
    x = 143,990.88

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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.