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Finding the Fourth Proportional to 521,667.75, 782,357.06 and 184,664.06

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Solution

The fourth proportional to 521,667.75, 782,357.06 and 184,664.06 is: 276,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,667.75 : 782,357.06 = 184,664.06 : x
  2. Step 2: Convert to fraction form
    521,667.75/782,357.06 = 184,664.06/x
  3. Step 3: Cross multiply
    521,667.75x = 782,357.06 × 184,664.06
  4. Step 4: Simplify right side
    521,667.75x = 144,473,226,234.16
  5. Step 5: Solve for x
    x = 144,473,226,234.16/521,667.75
  6. Step 6: Final answer
    x = 276,944.91

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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.