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Finding the Fourth Proportional to 306,498.15, 459,787.38 and 101,264.61

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Solution

The fourth proportional to 306,498.15, 459,787.38 and 101,264.61 is: 151,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,498.15 : 459,787.38 = 101,264.61 : x
  2. Step 2: Convert to fraction form
    306,498.15/459,787.38 = 101,264.61/x
  3. Step 3: Cross multiply
    306,498.15x = 459,787.38 × 101,264.61
  4. Step 4: Simplify right side
    306,498.15x = 46,560,189,718.62
  5. Step 5: Solve for x
    x = 46,560,189,718.62/306,498.15
  6. Step 6: Final answer
    x = 151,910.18

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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.