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Finding the Fourth Proportional to 3,581,580.88, 5,372,954.88 and 1,057,491.28

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Solution

The fourth proportional to 3,581,580.88, 5,372,954.88 and 1,057,491.28 is: 1,586,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581,580.88 : 5,372,954.88 = 1,057,491.28 : x
  2. Step 2: Convert to fraction form
    3,581,580.88/5,372,954.88 = 1,057,491.28/x
  3. Step 3: Cross multiply
    3,581,580.88x = 5,372,954.88 × 1,057,491.28
  4. Step 4: Simplify right side
    3,581,580.88x = 5,681,852,933,433.45
  5. Step 5: Solve for x
    x = 5,681,852,933,433.45/3,581,580.88
  6. Step 6: Final answer
    x = 1,586,409.22

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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.