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Finding the Fourth Proportional to 609,605.47, 914,998.70 and 294,283.81

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Solution

The fourth proportional to 609,605.47, 914,998.70 and 294,283.81 is: 441,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,605.47 : 914,998.70 = 294,283.81 : x
  2. Step 2: Convert to fraction form
    609,605.47/914,998.70 = 294,283.81/x
  3. Step 3: Cross multiply
    609,605.47x = 914,998.70 × 294,283.81
  4. Step 4: Simplify right side
    609,605.47x = 269,269,303,581.05
  5. Step 5: Solve for x
    x = 269,269,303,581.05/609,605.47
  6. Step 6: Final answer
    x = 441,710.77

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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.