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Finding the Fourth Proportional to 633,784.57, 950,667.87 and 154,015.90

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Solution

The fourth proportional to 633,784.57, 950,667.87 and 154,015.90 is: 231,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,784.57 : 950,667.87 = 154,015.90 : x
  2. Step 2: Convert to fraction form
    633,784.57/950,667.87 = 154,015.90/x
  3. Step 3: Cross multiply
    633,784.57x = 950,667.87 × 154,015.90
  4. Step 4: Simplify right side
    633,784.57x = 146,417,962,845.79
  5. Step 5: Solve for x
    x = 146,417,962,845.79/633,784.57
  6. Step 6: Final answer
    x = 231,021.66

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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.