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Finding the Fourth Proportional to 469,203.09, 703,656 and 169,644.03

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Solution

The fourth proportional to 469,203.09, 703,656 and 169,644.03 is: 254,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,203.09 : 703,656 = 169,644.03 : x
  2. Step 2: Convert to fraction form
    469,203.09/703,656 = 169,644.03/x
  3. Step 3: Cross multiply
    469,203.09x = 703,656 × 169,644.03
  4. Step 4: Simplify right side
    469,203.09x = 119,371,039,573.68
  5. Step 5: Solve for x
    x = 119,371,039,573.68/469,203.09
  6. Step 6: Final answer
    x = 254,412.30

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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.