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Finding the Fourth Proportional to 486,592.66, 729,909.27 and 166,964.28

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Solution

The fourth proportional to 486,592.66, 729,909.27 and 166,964.28 is: 250,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,592.66 : 729,909.27 = 166,964.28 : x
  2. Step 2: Convert to fraction form
    486,592.66/729,909.27 = 166,964.28/x
  3. Step 3: Cross multiply
    486,592.66x = 729,909.27 × 166,964.28
  4. Step 4: Simplify right side
    486,592.66x = 121,868,774,896.05
  5. Step 5: Solve for x
    x = 121,868,774,896.05/486,592.66
  6. Step 6: Final answer
    x = 250,453.38

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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.