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Finding the Fourth Proportional to 550,454.70, 825,682.05 and 475,659.30

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Solution

The fourth proportional to 550,454.70, 825,682.05 and 475,659.30 is: 713,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,454.70 : 825,682.05 = 475,659.30 : x
  2. Step 2: Convert to fraction form
    550,454.70/825,682.05 = 475,659.30/x
  3. Step 3: Cross multiply
    550,454.70x = 825,682.05 × 475,659.30
  4. Step 4: Simplify right side
    550,454.70x = 392,743,345,925.57
  5. Step 5: Solve for x
    x = 392,743,345,925.57/550,454.70
  6. Step 6: Final answer
    x = 713,488.95

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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.