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Finding the Fourth Proportional to 575,582.40, 862,881.26 and 220,851

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Solution

The fourth proportional to 575,582.40, 862,881.26 and 220,851 is: 331,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,582.40 : 862,881.26 = 220,851 : x
  2. Step 2: Convert to fraction form
    575,582.40/862,881.26 = 220,851/x
  3. Step 3: Cross multiply
    575,582.40x = 862,881.26 × 220,851
  4. Step 4: Simplify right side
    575,582.40x = 190,568,188,048.01
  5. Step 5: Solve for x
    x = 190,568,188,048.01/575,582.40
  6. Step 6: Final answer
    x = 331,087.59

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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.