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Finding the Fourth Proportional to 613,986.66, 841,164.84 and 590,975.82

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Solution

The fourth proportional to 613,986.66, 841,164.84 and 590,975.82 is: 809,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,986.66 : 841,164.84 = 590,975.82 : x
  2. Step 2: Convert to fraction form
    613,986.66/841,164.84 = 590,975.82/x
  3. Step 3: Cross multiply
    613,986.66x = 841,164.84 × 590,975.82
  4. Step 4: Simplify right side
    613,986.66x = 497,108,081,074.17
  5. Step 5: Solve for x
    x = 497,108,081,074.17/613,986.66
  6. Step 6: Final answer
    x = 809,639.87

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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.