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Finding the Fourth Proportional to 528,677.24, 792,755.46 and 191,667.38

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Solution

The fourth proportional to 528,677.24, 792,755.46 and 191,667.38 is: 287,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,677.24 : 792,755.46 = 191,667.38 : x
  2. Step 2: Convert to fraction form
    528,677.24/792,755.46 = 191,667.38/x
  3. Step 3: Cross multiply
    528,677.24x = 792,755.46 × 191,667.38
  4. Step 4: Simplify right side
    528,677.24x = 151,945,358,035.12
  5. Step 5: Solve for x
    x = 151,945,358,035.12/528,677.24
  6. Step 6: Final answer
    x = 287,406.66

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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.