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Finding the Fourth Proportional to 620,013.04, 927,602.38 and 543,504.22

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Solution

The fourth proportional to 620,013.04, 927,602.38 and 543,504.22 is: 813,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,013.04 : 927,602.38 = 543,504.22 : x
  2. Step 2: Convert to fraction form
    620,013.04/927,602.38 = 543,504.22/x
  3. Step 3: Cross multiply
    620,013.04x = 927,602.38 × 543,504.22
  4. Step 4: Simplify right side
    620,013.04x = 504,155,808,012.04
  5. Step 5: Solve for x
    x = 504,155,808,012.04/620,013.04
  6. Step 6: Final answer
    x = 813,137.43

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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.