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Finding the Fourth Proportional to 289,233.90, 433,413.45 and 244,619.10

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Solution

The fourth proportional to 289,233.90, 433,413.45 and 244,619.10 is: 366,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,233.90 : 433,413.45 = 244,619.10 : x
  2. Step 2: Convert to fraction form
    289,233.90/433,413.45 = 244,619.10/x
  3. Step 3: Cross multiply
    289,233.90x = 433,413.45 × 244,619.10
  4. Step 4: Simplify right side
    289,233.90x = 106,021,208,066.90
  5. Step 5: Solve for x
    x = 106,021,208,066.90/289,233.90
  6. Step 6: Final answer
    x = 366,558.72

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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.