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Finding the Fourth Proportional to 441,666.51, 608,887.22 and 298,199.31

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Solution

The fourth proportional to 441,666.51, 608,887.22 and 298,199.31 is: 411,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,666.51 : 608,887.22 = 298,199.31 : x
  2. Step 2: Convert to fraction form
    441,666.51/608,887.22 = 298,199.31/x
  3. Step 3: Cross multiply
    441,666.51x = 608,887.22 × 298,199.31
  4. Step 4: Simplify right side
    441,666.51x = 181,569,747,380.82
  5. Step 5: Solve for x
    x = 181,569,747,380.82/441,666.51
  6. Step 6: Final answer
    x = 411,101.46

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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.