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Finding the Fourth Proportional to 471,244.39, 706,873.89 and 447,318.61

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Solution

The fourth proportional to 471,244.39, 706,873.89 and 447,318.61 is: 670,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,244.39 : 706,873.89 = 447,318.61 : x
  2. Step 2: Convert to fraction form
    471,244.39/706,873.89 = 447,318.61/x
  3. Step 3: Cross multiply
    471,244.39x = 706,873.89 × 447,318.61
  4. Step 4: Simplify right side
    471,244.39x = 316,197,845,920.09
  5. Step 5: Solve for x
    x = 316,197,845,920.09/471,244.39
  6. Step 6: Final answer
    x = 670,984.85

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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.