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Finding the Fourth Proportional to 365,701.03, 548,354.31 and 165,912.40

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Solution

The fourth proportional to 365,701.03, 548,354.31 and 165,912.40 is: 248,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,701.03 : 548,354.31 = 165,912.40 : x
  2. Step 2: Convert to fraction form
    365,701.03/548,354.31 = 165,912.40/x
  3. Step 3: Cross multiply
    365,701.03x = 548,354.31 × 165,912.40
  4. Step 4: Simplify right side
    365,701.03x = 90,978,779,685.72
  5. Step 5: Solve for x
    x = 90,978,779,685.72/365,701.03
  6. Step 6: Final answer
    x = 248,779.12

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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.