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Finding the Fourth Proportional to 1,254,896.52, 1,731,755.88 and 681,935.46

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Solution

The fourth proportional to 1,254,896.52, 1,731,755.88 and 681,935.46 is: 941,070.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,896.52 : 1,731,755.88 = 681,935.46 : x
  2. Step 2: Convert to fraction form
    1,254,896.52/1,731,755.88 = 681,935.46/x
  3. Step 3: Cross multiply
    1,254,896.52x = 1,731,755.88 × 681,935.46
  4. Step 4: Simplify right side
    1,254,896.52x = 1,180,945,742,635.50
  5. Step 5: Solve for x
    x = 1,180,945,742,635.50/1,254,896.52
  6. Step 6: Final answer
    x = 941,070.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.