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Finding the Fourth Proportional to 575,446.60, 863,349.05 and 170,640.96

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Solution

The fourth proportional to 575,446.60, 863,349.05 and 170,640.96 is: 256,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,446.60 : 863,349.05 = 170,640.96 : x
  2. Step 2: Convert to fraction form
    575,446.60/863,349.05 = 170,640.96/x
  3. Step 3: Cross multiply
    575,446.60x = 863,349.05 × 170,640.96
  4. Step 4: Simplify right side
    575,446.60x = 147,322,711,133.69
  5. Step 5: Solve for x
    x = 147,322,711,133.69/575,446.60
  6. Step 6: Final answer
    x = 256,014.57

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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.