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Finding the Fourth Proportional to 405,125.88, 606,146.94 and 244,611

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Solution

The fourth proportional to 405,125.88, 606,146.94 and 244,611 is: 365,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,125.88 : 606,146.94 = 244,611 : x
  2. Step 2: Convert to fraction form
    405,125.88/606,146.94 = 244,611/x
  3. Step 3: Cross multiply
    405,125.88x = 606,146.94 × 244,611
  4. Step 4: Simplify right side
    405,125.88x = 148,270,209,140.34
  5. Step 5: Solve for x
    x = 148,270,209,140.34/405,125.88
  6. Step 6: Final answer
    x = 365,985.53

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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.