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Finding the Fourth Proportional to 632,957.90, 948,780.73 and 395,755.88

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Solution

The fourth proportional to 632,957.90, 948,780.73 and 395,755.88 is: 593,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,957.90 : 948,780.73 = 395,755.88 : x
  2. Step 2: Convert to fraction form
    632,957.90/948,780.73 = 395,755.88/x
  3. Step 3: Cross multiply
    632,957.90x = 948,780.73 × 395,755.88
  4. Step 4: Simplify right side
    632,957.90x = 375,485,546,005.51
  5. Step 5: Solve for x
    x = 375,485,546,005.51/632,957.90
  6. Step 6: Final answer
    x = 593,223.58

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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.