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Finding the Fourth Proportional to 575,520.62, 863,164.29 and 196,235.69

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Solution

The fourth proportional to 575,520.62, 863,164.29 and 196,235.69 is: 294,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,520.62 : 863,164.29 = 196,235.69 : x
  2. Step 2: Convert to fraction form
    575,520.62/863,164.29 = 196,235.69/x
  3. Step 3: Cross multiply
    575,520.62x = 863,164.29 × 196,235.69
  4. Step 4: Simplify right side
    575,520.62x = 169,383,640,031.51
  5. Step 5: Solve for x
    x = 169,383,640,031.51/575,520.62
  6. Step 6: Final answer
    x = 294,313.76

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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.