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Finding the Fourth Proportional to 266,327.01, 367,528.86 and 145,468.28

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Solution

The fourth proportional to 266,327.01, 367,528.86 and 145,468.28 is: 200,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,327.01 : 367,528.86 = 145,468.28 : x
  2. Step 2: Convert to fraction form
    266,327.01/367,528.86 = 145,468.28/x
  3. Step 3: Cross multiply
    266,327.01x = 367,528.86 × 145,468.28
  4. Step 4: Simplify right side
    266,327.01x = 53,463,789,276.92
  5. Step 5: Solve for x
    x = 53,463,789,276.92/266,327.01
  6. Step 6: Final answer
    x = 200,744.90

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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.