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Finding the Fourth Proportional to 550,810.72, 825,162.60 and 372,442.24

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Solution

The fourth proportional to 550,810.72, 825,162.60 and 372,442.24 is: 557,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,810.72 : 825,162.60 = 372,442.24 : x
  2. Step 2: Convert to fraction form
    550,810.72/825,162.60 = 372,442.24/x
  3. Step 3: Cross multiply
    550,810.72x = 825,162.60 × 372,442.24
  4. Step 4: Simplify right side
    550,810.72x = 307,325,407,108.22
  5. Step 5: Solve for x
    x = 307,325,407,108.22/550,810.72
  6. Step 6: Final answer
    x = 557,951.03

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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.