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Finding the Fourth Proportional to 366,893.48, 550,394.90 and 130,216.34

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Solution

The fourth proportional to 366,893.48, 550,394.90 and 130,216.34 is: 195,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,893.48 : 550,394.90 = 130,216.34 : x
  2. Step 2: Convert to fraction form
    366,893.48/550,394.90 = 130,216.34/x
  3. Step 3: Cross multiply
    366,893.48x = 550,394.90 × 130,216.34
  4. Step 4: Simplify right side
    366,893.48x = 71,670,406,029.61
  5. Step 5: Solve for x
    x = 71,670,406,029.61/366,893.48
  6. Step 6: Final answer
    x = 195,343.91

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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.