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Finding the Fourth Proportional to 403,323.30, 604,839.15 and 203,577.30

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Solution

The fourth proportional to 403,323.30, 604,839.15 and 203,577.30 is: 305,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,323.30 : 604,839.15 = 203,577.30 : x
  2. Step 2: Convert to fraction form
    403,323.30/604,839.15 = 203,577.30/x
  3. Step 3: Cross multiply
    403,323.30x = 604,839.15 × 203,577.30
  4. Step 4: Simplify right side
    403,323.30x = 123,131,521,091.30
  5. Step 5: Solve for x
    x = 123,131,521,091.30/403,323.30
  6. Step 6: Final answer
    x = 305,292.36

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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.