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Finding the Fourth Proportional to 609,006.01, 913,093.81 and 308,907.92

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Solution

The fourth proportional to 609,006.01, 913,093.81 and 308,907.92 is: 463,151.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,006.01 : 913,093.81 = 308,907.92 : x
  2. Step 2: Convert to fraction form
    609,006.01/913,093.81 = 308,907.92/x
  3. Step 3: Cross multiply
    609,006.01x = 913,093.81 × 308,907.92
  4. Step 4: Simplify right side
    609,006.01x = 282,061,909,611.98
  5. Step 5: Solve for x
    x = 282,061,909,611.98/609,006.01
  6. Step 6: Final answer
    x = 463,151.27

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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.