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Finding the Fourth Proportional to 655,005.54, 982,499.53 and 168,685.00

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Solution

The fourth proportional to 655,005.54, 982,499.53 and 168,685.00 is: 253,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,005.54 : 982,499.53 = 168,685.00 : x
  2. Step 2: Convert to fraction form
    655,005.54/982,499.53 = 168,685.00/x
  3. Step 3: Cross multiply
    655,005.54x = 982,499.53 × 168,685.00
  4. Step 4: Simplify right side
    655,005.54x = 165,732,930,340.09
  5. Step 5: Solve for x
    x = 165,732,930,340.09/655,005.54
  6. Step 6: Final answer
    x = 253,025.23

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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.