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Finding the Fourth Proportional to 613,969.45, 841,141.21 and 590,958.53

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Solution

The fourth proportional to 613,969.45, 841,141.21 and 590,958.53 is: 809,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,969.45 : 841,141.21 = 590,958.53 : x
  2. Step 2: Convert to fraction form
    613,969.45/841,141.21 = 590,958.53/x
  3. Step 3: Cross multiply
    613,969.45x = 841,141.21 × 590,958.53
  4. Step 4: Simplify right side
    613,969.45x = 497,079,567,300.92
  5. Step 5: Solve for x
    x = 497,079,567,300.92/613,969.45
  6. Step 6: Final answer
    x = 809,616.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.