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Finding the Fourth Proportional to 403,647.83, 605,460.66 and 175,943.31

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Solution

The fourth proportional to 403,647.83, 605,460.66 and 175,943.31 is: 263,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,647.83 : 605,460.66 = 175,943.31 : x
  2. Step 2: Convert to fraction form
    403,647.83/605,460.66 = 175,943.31/x
  3. Step 3: Cross multiply
    403,647.83x = 605,460.66 × 175,943.31
  4. Step 4: Simplify right side
    403,647.83x = 106,526,749,567.88
  5. Step 5: Solve for x
    x = 106,526,749,567.88/403,647.83
  6. Step 6: Final answer
    x = 263,910.13

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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.