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Finding the Fourth Proportional to 632,991.08, 948,830.52 and 395,789.06

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Solution

The fourth proportional to 632,991.08, 948,830.52 and 395,789.06 is: 593,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,991.08 : 948,830.52 = 395,789.06 : x
  2. Step 2: Convert to fraction form
    632,991.08/948,830.52 = 395,789.06/x
  3. Step 3: Cross multiply
    632,991.08x = 948,830.52 × 395,789.06
  4. Step 4: Simplify right side
    632,991.08x = 375,536,739,610.11
  5. Step 5: Solve for x
    x = 375,536,739,610.11/632,991.08
  6. Step 6: Final answer
    x = 593,273.35

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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.