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Finding the Fourth Proportional to 489,603.37, 733,875.37 and 205,448.29

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Solution

The fourth proportional to 489,603.37, 733,875.37 and 205,448.29 is: 307,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,603.37 : 733,875.37 = 205,448.29 : x
  2. Step 2: Convert to fraction form
    489,603.37/733,875.37 = 205,448.29/x
  3. Step 3: Cross multiply
    489,603.37x = 733,875.37 × 205,448.29
  4. Step 4: Simplify right side
    489,603.37x = 150,773,439,839.62
  5. Step 5: Solve for x
    x = 150,773,439,839.62/489,603.37
  6. Step 6: Final answer
    x = 307,950.17

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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.