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Finding the Fourth Proportional to 365,458.82, 548,266.46 and 109,311.48

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Solution

The fourth proportional to 365,458.82, 548,266.46 and 109,311.48 is: 163,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,458.82 : 548,266.46 = 109,311.48 : x
  2. Step 2: Convert to fraction form
    365,458.82/548,266.46 = 109,311.48/x
  3. Step 3: Cross multiply
    365,458.82x = 548,266.46 × 109,311.48
  4. Step 4: Simplify right side
    365,458.82x = 59,931,817,630.40
  5. Step 5: Solve for x
    x = 59,931,817,630.40/365,458.82
  6. Step 6: Final answer
    x = 163,990.62

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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.