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Finding the Fourth Proportional to 306,628.67, 459,962.48 and 96,274.91

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Solution

The fourth proportional to 306,628.67, 459,962.48 and 96,274.91 is: 144,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,628.67 : 459,962.48 = 96,274.91 : x
  2. Step 2: Convert to fraction form
    306,628.67/459,962.48 = 96,274.91/x
  3. Step 3: Cross multiply
    306,628.67x = 459,962.48 × 96,274.91
  4. Step 4: Simplify right side
    306,628.67x = 44,282,847,755.97
  5. Step 5: Solve for x
    x = 44,282,847,755.97/306,628.67
  6. Step 6: Final answer
    x = 144,418.48

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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.