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Finding the Fourth Proportional to 365,985.76, 504,659.28 and 238,424.80

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Solution

The fourth proportional to 365,985.76, 504,659.28 and 238,424.80 is: 328,764.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,985.76 : 504,659.28 = 238,424.80 : x
  2. Step 2: Convert to fraction form
    365,985.76/504,659.28 = 238,424.80/x
  3. Step 3: Cross multiply
    365,985.76x = 504,659.28 × 238,424.80
  4. Step 4: Simplify right side
    365,985.76x = 120,323,287,902.14
  5. Step 5: Solve for x
    x = 120,323,287,902.14/365,985.76
  6. Step 6: Final answer
    x = 328,764.94

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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.