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Finding the Fourth Proportional to 294,572.70, 441,859.05 and 161,862.30

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Solution

The fourth proportional to 294,572.70, 441,859.05 and 161,862.30 is: 242,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,572.70 : 441,859.05 = 161,862.30 : x
  2. Step 2: Convert to fraction form
    294,572.70/441,859.05 = 161,862.30/x
  3. Step 3: Cross multiply
    294,572.70x = 441,859.05 × 161,862.30
  4. Step 4: Simplify right side
    294,572.70x = 71,520,322,108.82
  5. Step 5: Solve for x
    x = 71,520,322,108.82/294,572.70
  6. Step 6: Final answer
    x = 242,793.45

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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.