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Finding the Fourth Proportional to 350,992.89, 484,250.00 and 286,349.49

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Solution

The fourth proportional to 350,992.89, 484,250.00 and 286,349.49 is: 395,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,992.89 : 484,250.00 = 286,349.49 : x
  2. Step 2: Convert to fraction form
    350,992.89/484,250.00 = 286,349.49/x
  3. Step 3: Cross multiply
    350,992.89x = 484,250.00 × 286,349.49
  4. Step 4: Simplify right side
    350,992.89x = 138,664,739,100.75
  5. Step 5: Solve for x
    x = 138,664,739,100.75/350,992.89
  6. Step 6: Final answer
    x = 395,064.24

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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.