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Finding the Fourth Proportional to 364,667.47, 503,266.37 and 203,554.01

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Solution

The fourth proportional to 364,667.47, 503,266.37 and 203,554.01 is: 280,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,667.47 : 503,266.37 = 203,554.01 : x
  2. Step 2: Convert to fraction form
    364,667.47/503,266.37 = 203,554.01/x
  3. Step 3: Cross multiply
    364,667.47x = 503,266.37 × 203,554.01
  4. Step 4: Simplify right side
    364,667.47x = 102,441,887,952.04
  5. Step 5: Solve for x
    x = 102,441,887,952.04/364,667.47
  6. Step 6: Final answer
    x = 280,918.64

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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.