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Finding the Fourth Proportional to 604,481.21, 906,688.98 and 183,724.28

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Solution

The fourth proportional to 604,481.21, 906,688.98 and 183,724.28 is: 275,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,481.21 : 906,688.98 = 183,724.28 : x
  2. Step 2: Convert to fraction form
    604,481.21/906,688.98 = 183,724.28/x
  3. Step 3: Cross multiply
    604,481.21x = 906,688.98 × 183,724.28
  4. Step 4: Simplify right side
    604,481.21x = 166,580,775,500.99
  5. Step 5: Solve for x
    x = 166,580,775,500.99/604,481.21
  6. Step 6: Final answer
    x = 275,576.44

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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.