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Finding the Fourth Proportional to 350,981.62, 484,354.74 and 198,052.24

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Solution

The fourth proportional to 350,981.62, 484,354.74 and 198,052.24 is: 273,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,981.62 : 484,354.74 = 198,052.24 : x
  2. Step 2: Convert to fraction form
    350,981.62/484,354.74 = 198,052.24/x
  3. Step 3: Cross multiply
    350,981.62x = 484,354.74 × 198,052.24
  4. Step 4: Simplify right side
    350,981.62x = 95,927,538,789.84
  5. Step 5: Solve for x
    x = 95,927,538,789.84/350,981.62
  6. Step 6: Final answer
    x = 273,312.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.