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Finding the Fourth Proportional to 471,836.52, 707,750.46 and 191,287.08

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Solution

The fourth proportional to 471,836.52, 707,750.46 and 191,287.08 is: 286,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,836.52 : 707,750.46 = 191,287.08 : x
  2. Step 2: Convert to fraction form
    471,836.52/707,750.46 = 191,287.08/x
  3. Step 3: Cross multiply
    471,836.52x = 707,750.46 × 191,287.08
  4. Step 4: Simplify right side
    471,836.52x = 135,383,518,862.06
  5. Step 5: Solve for x
    x = 135,383,518,862.06/471,836.52
  6. Step 6: Final answer
    x = 286,928.87

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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.