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Finding the Fourth Proportional to 489,175.16, 733,755.89 and 169,559.69

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Solution

The fourth proportional to 489,175.16, 733,755.89 and 169,559.69 is: 254,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,175.16 : 733,755.89 = 169,559.69 : x
  2. Step 2: Convert to fraction form
    489,175.16/733,755.89 = 169,559.69/x
  3. Step 3: Cross multiply
    489,175.16x = 733,755.89 × 169,559.69
  4. Step 4: Simplify right side
    489,175.16x = 124,415,417,999.19
  5. Step 5: Solve for x
    x = 124,415,417,999.19/489,175.16
  6. Step 6: Final answer
    x = 254,337.16

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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.