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Finding the Fourth Proportional to 575,318.44, 863,102.22 and 220,332.43

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Solution

The fourth proportional to 575,318.44, 863,102.22 and 220,332.43 is: 330,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,318.44 : 863,102.22 = 220,332.43 : x
  2. Step 2: Convert to fraction form
    575,318.44/863,102.22 = 220,332.43/x
  3. Step 3: Cross multiply
    575,318.44x = 863,102.22 × 220,332.43
  4. Step 4: Simplify right side
    575,318.44x = 190,169,409,471.00
  5. Step 5: Solve for x
    x = 190,169,409,471.00/575,318.44
  6. Step 6: Final answer
    x = 330,546.35

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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.