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Finding the Fourth Proportional to 365,667.40, 503,186.34 and 323,327.08

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Solution

The fourth proportional to 365,667.40, 503,186.34 and 323,327.08 is: 444,922.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,667.40 : 503,186.34 = 323,327.08 : x
  2. Step 2: Convert to fraction form
    365,667.40/503,186.34 = 323,327.08/x
  3. Step 3: Cross multiply
    365,667.40x = 503,186.34 × 323,327.08
  4. Step 4: Simplify right side
    365,667.40x = 162,693,770,008.09
  5. Step 5: Solve for x
    x = 162,693,770,008.09/365,667.40
  6. Step 6: Final answer
    x = 444,922.82

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1.5x scale

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.