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Finding the Fourth Proportional to 489,527.97, 734,112.54 and 169,597.21

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Solution

The fourth proportional to 489,527.97, 734,112.54 and 169,597.21 is: 254,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,527.97 : 734,112.54 = 169,597.21 : x
  2. Step 2: Convert to fraction form
    489,527.97/734,112.54 = 169,597.21/x
  3. Step 3: Cross multiply
    489,527.97x = 734,112.54 × 169,597.21
  4. Step 4: Simplify right side
    489,527.97x = 124,503,438,610.01
  5. Step 5: Solve for x
    x = 124,503,438,610.01/489,527.97
  6. Step 6: Final answer
    x = 254,333.66

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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.