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Finding the Fourth Proportional to 605,251.00, 835,214.40 and 347,114.61

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Solution

The fourth proportional to 605,251.00, 835,214.40 and 347,114.61 is: 478,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,251.00 : 835,214.40 = 347,114.61 : x
  2. Step 2: Convert to fraction form
    605,251.00/835,214.40 = 347,114.61/x
  3. Step 3: Cross multiply
    605,251.00x = 835,214.40 × 347,114.61
  4. Step 4: Simplify right side
    605,251.00x = 289,915,118,861.47
  5. Step 5: Solve for x
    x = 289,915,118,861.47/605,251.00
  6. Step 6: Final answer
    x = 478,999.82

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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.