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Finding the Fourth Proportional to 404,577.30, 558,001.18 and 259,396.95

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Solution

The fourth proportional to 404,577.30, 558,001.18 and 259,396.95 is: 357,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,577.30 : 558,001.18 = 259,396.95 : x
  2. Step 2: Convert to fraction form
    404,577.30/558,001.18 = 259,396.95/x
  3. Step 3: Cross multiply
    404,577.30x = 558,001.18 × 259,396.95
  4. Step 4: Simplify right side
    404,577.30x = 144,743,804,188.40
  5. Step 5: Solve for x
    x = 144,743,804,188.40/404,577.30
  6. Step 6: Final answer
    x = 357,765.51

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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.