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Finding the Fourth Proportional to 662,893.94, 914,767.79 and 405,202.32

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Solution

The fourth proportional to 662,893.94, 914,767.79 and 405,202.32 is: 559,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,893.94 : 914,767.79 = 405,202.32 : x
  2. Step 2: Convert to fraction form
    662,893.94/914,767.79 = 405,202.32/x
  3. Step 3: Cross multiply
    662,893.94x = 914,767.79 × 405,202.32
  4. Step 4: Simplify right side
    662,893.94x = 370,666,028,743.26
  5. Step 5: Solve for x
    x = 370,666,028,743.26/662,893.94
  6. Step 6: Final answer
    x = 559,163.40

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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.