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Finding the Fourth Proportional to 541,505.80, 812,247.80 and 186,511.96

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Solution

The fourth proportional to 541,505.80, 812,247.80 and 186,511.96 is: 279,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,505.80 : 812,247.80 = 186,511.96 : x
  2. Step 2: Convert to fraction form
    541,505.80/812,247.80 = 186,511.96/x
  3. Step 3: Cross multiply
    541,505.80x = 812,247.80 × 186,511.96
  4. Step 4: Simplify right side
    541,505.80x = 151,493,926,220.51
  5. Step 5: Solve for x
    x = 151,493,926,220.51/541,505.80
  6. Step 6: Final answer
    x = 279,764.18

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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.