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Finding the Fourth Proportional to 447,349.01, 617,138.21 and 265,958.01

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Solution

The fourth proportional to 447,349.01, 617,138.21 and 265,958.01 is: 366,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,349.01 : 617,138.21 = 265,958.01 : x
  2. Step 2: Convert to fraction form
    447,349.01/617,138.21 = 265,958.01/x
  3. Step 3: Cross multiply
    447,349.01x = 617,138.21 × 265,958.01
  4. Step 4: Simplify right side
    447,349.01x = 164,132,848,896.77
  5. Step 5: Solve for x
    x = 164,132,848,896.77/447,349.01
  6. Step 6: Final answer
    x = 366,901.12

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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.