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Finding the Fourth Proportional to 545,588.60, 818,382.81 and 166,511.28

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Solution

The fourth proportional to 545,588.60, 818,382.81 and 166,511.28 is: 249,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,588.60 : 818,382.81 = 166,511.28 : x
  2. Step 2: Convert to fraction form
    545,588.60/818,382.81 = 166,511.28/x
  3. Step 3: Cross multiply
    545,588.60x = 818,382.81 × 166,511.28
  4. Step 4: Simplify right side
    545,588.60x = 136,269,969,223.10
  5. Step 5: Solve for x
    x = 136,269,969,223.10/545,588.60
  6. Step 6: Final answer
    x = 249,766.89

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Similar ratio
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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.