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Finding the Fourth Proportional to 575,763.73, 863,458.48 and 191,409.41

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Solution

The fourth proportional to 575,763.73, 863,458.48 and 191,409.41 is: 287,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,763.73 : 863,458.48 = 191,409.41 : x
  2. Step 2: Convert to fraction form
    575,763.73/863,458.48 = 191,409.41/x
  3. Step 3: Cross multiply
    575,763.73x = 863,458.48 × 191,409.41
  4. Step 4: Simplify right side
    575,763.73x = 165,274,078,216.30
  5. Step 5: Solve for x
    x = 165,274,078,216.30/575,763.73
  6. Step 6: Final answer
    x = 287,051.91

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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.