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Finding the Fourth Proportional to 482,190.30, 722,487.69 and 341,698.14

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Solution

The fourth proportional to 482,190.30, 722,487.69 and 341,698.14 is: 511,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,190.30 : 722,487.69 = 341,698.14 : x
  2. Step 2: Convert to fraction form
    482,190.30/722,487.69 = 341,698.14/x
  3. Step 3: Cross multiply
    482,190.30x = 722,487.69 × 341,698.14
  4. Step 4: Simplify right side
    482,190.30x = 246,872,699,845.90
  5. Step 5: Solve for x
    x = 246,872,699,845.90/482,190.30
  6. Step 6: Final answer
    x = 511,981.89

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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.