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Finding the Fourth Proportional to 353,174.50, 529,749.90 and 153,494.87

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Solution

The fourth proportional to 353,174.50, 529,749.90 and 153,494.87 is: 230,237.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,174.50 : 529,749.90 = 153,494.87 : x
  2. Step 2: Convert to fraction form
    353,174.50/529,749.90 = 153,494.87/x
  3. Step 3: Cross multiply
    353,174.50x = 529,749.90 × 153,494.87
  4. Step 4: Simplify right side
    353,174.50x = 81,313,888,952.56
  5. Step 5: Solve for x
    x = 81,313,888,952.56/353,174.50
  6. Step 6: Final answer
    x = 230,237.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.