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Finding the Fourth Proportional to 435,023.60, 651,306.60 and 422,735.60

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Solution

The fourth proportional to 435,023.60, 651,306.60 and 422,735.60 is: 632,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,023.60 : 651,306.60 = 422,735.60 : x
  2. Step 2: Convert to fraction form
    435,023.60/651,306.60 = 422,735.60/x
  3. Step 3: Cross multiply
    435,023.60x = 651,306.60 × 422,735.60
  4. Step 4: Simplify right side
    435,023.60x = 275,330,486,334.96
  5. Step 5: Solve for x
    x = 275,330,486,334.96/435,023.60
  6. Step 6: Final answer
    x = 632,909.31

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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.