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Finding the Fourth Proportional to 601,218.37, 901,871.34 and 201,855.79

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Solution

The fourth proportional to 601,218.37, 901,871.34 and 201,855.79 is: 302,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,218.37 : 901,871.34 = 201,855.79 : x
  2. Step 2: Convert to fraction form
    601,218.37/901,871.34 = 201,855.79/x
  3. Step 3: Cross multiply
    601,218.37x = 901,871.34 × 201,855.79
  4. Step 4: Simplify right side
    601,218.37x = 182,047,951,814.06
  5. Step 5: Solve for x
    x = 182,047,951,814.06/601,218.37
  6. Step 6: Final answer
    x = 302,798.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.