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Finding the Fourth Proportional to 575,958.43, 863,879.31 and 155,276.83

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Solution

The fourth proportional to 575,958.43, 863,879.31 and 155,276.83 is: 232,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,958.43 : 863,879.31 = 155,276.83 : x
  2. Step 2: Convert to fraction form
    575,958.43/863,879.31 = 155,276.83/x
  3. Step 3: Cross multiply
    575,958.43x = 863,879.31 × 155,276.83
  4. Step 4: Simplify right side
    575,958.43x = 134,140,440,759.39
  5. Step 5: Solve for x
    x = 134,140,440,759.39/575,958.43
  6. Step 6: Final answer
    x = 232,899.52

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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.