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Finding the Fourth Proportional to 364,607.06, 503,156.81 and 203,460.39

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Solution

The fourth proportional to 364,607.06, 503,156.81 and 203,460.39 is: 280,774.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,607.06 : 503,156.81 = 203,460.39 : x
  2. Step 2: Convert to fraction form
    364,607.06/503,156.81 = 203,460.39/x
  3. Step 3: Cross multiply
    364,607.06x = 503,156.81 × 203,460.39
  4. Step 4: Simplify right side
    364,607.06x = 102,372,481,302.41
  5. Step 5: Solve for x
    x = 102,372,481,302.41/364,607.06
  6. Step 6: Final answer
    x = 280,774.82

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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.