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Finding the Fourth Proportional to 575,990.22, 863,797.59 and 272,354.34

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Solution

The fourth proportional to 575,990.22, 863,797.59 and 272,354.34 is: 408,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,990.22 : 863,797.59 = 272,354.34 : x
  2. Step 2: Convert to fraction form
    575,990.22/863,797.59 = 272,354.34/x
  3. Step 3: Cross multiply
    575,990.22x = 863,797.59 × 272,354.34
  4. Step 4: Simplify right side
    575,990.22x = 235,259,022,518.04
  5. Step 5: Solve for x
    x = 235,259,022,518.04/575,990.22
  6. Step 6: Final answer
    x = 408,442.74

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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.