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Finding the Fourth Proportional to 656,860.32, 982,830 and 467,757.60

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Solution

The fourth proportional to 656,860.32, 982,830 and 467,757.60 is: 699,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,860.32 : 982,830 = 467,757.60 : x
  2. Step 2: Convert to fraction form
    656,860.32/982,830 = 467,757.60/x
  3. Step 3: Cross multiply
    656,860.32x = 982,830 × 467,757.60
  4. Step 4: Simplify right side
    656,860.32x = 459,726,202,008
  5. Step 5: Solve for x
    x = 459,726,202,008/656,860.32
  6. Step 6: Final answer
    x = 699,884.26

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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.