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Finding the Fourth Proportional to 611,597.54, 917,324.96 and 162,353.31

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Solution

The fourth proportional to 611,597.54, 917,324.96 and 162,353.31 is: 243,511.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,597.54 : 917,324.96 = 162,353.31 : x
  2. Step 2: Convert to fraction form
    611,597.54/917,324.96 = 162,353.31/x
  3. Step 3: Cross multiply
    611,597.54x = 917,324.96 × 162,353.31
  4. Step 4: Simplify right side
    611,597.54x = 148,930,742,789.85
  5. Step 5: Solve for x
    x = 148,930,742,789.85/611,597.54
  6. Step 6: Final answer
    x = 243,511.03

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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.